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Conté crayons
Photo of a drawing of a face and two hands
Page from a sketchbook using black Conté

Conté (/ˈkɒnteɪ, -ti/;[1] French: [kɔ̃te]), also called the Conté stick or Conté crayon, is a drawing medium composed of compressed powdered graphite or charcoal mixed with a clay base, square in cross-section. It was invented in 1795 by Nicolas-Jacques Conté, who created the combination of clay and graphite in response to the shortage of graphite caused by the Napoleonic Wars (when the British naval blockade of France prevented import). Conté crayons had the advantage of being cost-effective to produce, and easy to manufacture in controlled grades of hardness.[2]

They are now manufactured using natural pigments (iron oxides, carbon black, titanium dioxide), clay (kaolin), and a binder (cellulose ether).[3]

Conté crayons are most commonly found in black, white, and sanguine tones, as well as bistre, shades of grey, and other colors.

Colors sets are especially useful for field studies and color studies. Some artists create entire paintings with them, using them more like pastels than like a drawing medium. They are also used often to sketch under pastel paintings or lay down initial layers before using dry pastels. Colors can be layered to produce different hues or values. Color Conté mixes better on paper than many hard pastel products.

They are frequently used on rough paper that holds pigment grains well. They can also be used on prepared primed canvases for underdrawing for a painting. Conté crayons are hard and have square edges, making them more suitable for detailed hatched work as opposed to the bolder painterly drawing style demanded by soft pastels.

Georges Seurat

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In the 1880s, Georges Seurat used Conté crayons to produce many of his studies.

See also

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References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Conté

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from Grokipedia
Conté crayons are hard, square-shaped drawing sticks made from a compressed mixture of powdered or pigments with clay, developed by French chemist and artist in 1795 as a response to a graphite shortage during the . These crayons produce smooth, dense lines that are less friable than or , making them ideal for detailed sketching and artistic studies. The invention stemmed from Britain's naval blockade of , which restricted imports of pure used in traditional and tools. Conté, serving as an officer and chemist in Napoleon's army, devised a method of mixing powdered with kaolin clay in varying proportions to control , then molding the mixture into rods and firing them in a —a process that remains the basis for modern pencil leads and Conté sticks. Originally focused on black -based versions, the medium later incorporated pigments such as lampblack, sepia, sanguine, or , sometimes with added waxy or greasy binders for texture. Widely adopted in the , Conté crayons became a staple for artists seeking precision and durability in their work, with lines that can be smudged or blended but often require fixative to prevent abrasion and smearing. Notable users included , whose drawings like those in the Museum of Fine Arts collection demonstrate the medium's capacity for rich tonal effects. Today, under the brand Conté à Paris, the crayons continue to be produced in multiple grades of hardness and colors, serving both professional artists and students for , landscapes, and preparatory sketches.

Invention and History

Background and Graphite Shortage

During the late , depended on graphite imports from , primarily from the high-quality deposits near Keswick in the , to manufacture pencils essential for sketching, drawing, and technical drafting by artists, engineers, and military personnel. These imports were critical, as native French sources of pure graphite were limited and insufficient for widespread use in producing the dark, reliable marks needed for precise work. The onset of the in 1793, which evolved into the broader (1793–1815), imposed a stringent British naval on French ports, effectively halting the flow of and other goods from Britain. This created an acute shortage, disrupting artistic practices and military operations alike, where draftsmen relied on pencils for mapping, fortifications, and strategic illustrations—capabilities vital to France's war efforts. French artists and professionals faced dwindling supplies, forcing improvisation with inferior alternatives that compromised quality and efficiency. In 1795, amid escalating economic pressures from the , the French Minister of War, , urgently commissioned the development of domestic substitutes for to safeguard and drafting needs. This governmental directive spurred innovation, culminating in a patented solution in 1795 that addressed the crisis by enabling production without foreign imports. , tasked with the challenge, devised a viable alternative that preserved France's self-sufficiency in drawing materials during wartime.

Nicolas-Jacques Conté and Development

was born on August 4, 1755, in Saint-Céneri-près-Sées (now Aunou-sur-Orne), , and trained as a painter while self-educating in chemistry and physics. He demonstrated early mechanical aptitude, working as a skilled machinist before the disrupted his artistic pursuits. In 1793, amid the Revolution's turmoil, Conté joined the French army as a captain in the newly formed Aerostatic Corps, leveraging his expertise in ballooning to advance military aeronautics. Conté's multifaceted talents in chemistry, invention, and engineering proved invaluable during the , where he contributed to improvements for balloons and other wartime innovations under figures like . His work in the Aerostatic Corps focused on refining balloon designs and materials for reconnaissance, marking the first significant military application of . This period honed his inventive skills, positioning him to address pressing resource challenges as faced embargoes in the escalating . Facing a severe graphite shortage due to British naval blockades that cut off imports of pure from , Conté was tasked by the revolutionary government to develop a substitute for materials essential to military cartography. Through experimentation, he devised a process of finely powdering available , mixing it with clay and other binders to form a paste, shaping it into hard sticks, and firing the rods in kilns to bind the materials durably. His initial efforts concentrated on creating a black, -based version suitable for precise sketching, yielding a versatile tool that mimicked natural graphite's properties while allowing control over hardness through binder proportions. In 1795, Conté received a from the French for his invention, enabling immediate production at a facility he established in to supply the army with these new drawing sticks for mapping, engineering, and topographic work. The Conté sticks quickly proved indispensable for military applications, supporting France's wartime efforts by providing a reliable, domestically producible alternative to imported supplies. Conté continued refining his inventions until his death on December 6, 1805, in , shortly after founding his manufacturing enterprise, which perpetuated his contributions to materials.

Composition and Manufacture

Materials and Formulation

Conté crayons are primarily composed of powdered for black variants, combined with kaolin clay as the key binder to provide structure and durability. This mixture allows the crayons to achieve a stick form similar to pencil leads, offering greater resistance to breakage than pure while maintaining mark-making capabilities. For darker tones, powder may be incorporated in place of or alongside , enhancing depth without excessive smudging. The formulation relies on variable ratios of (or ) to clay, with higher clay content producing harder, more precise sticks suitable for detailed work, while increased yields softer, darker results. Exact historical ratios remain undisclosed due to proprietary methods developed during their invention in 1795, but the clay's binding properties ensure cohesion and longevity in use. Binders such as ether are employed in contemporary production to further enhance stability. Color variants expand beyond the originals of black and sanguine red, derived from , to include whites made with or for opacity and brightness. These pigments interact with the kaolin base to create a non-greasy texture that resists smearing, contributing to the crayons' versatility across tones while preserving the hardness essential for applications.

Production Techniques

The production of Conté crayons commences with the mixing stage, where pigments and clay are ground into a fine powder and blended with water to form a uniform paste. This process ensures the even distribution of materials, drawing from the foundational technique developed by for combining and clay in a similar manner. The paste is then extruded into sticks, typically in a square carré format measuring about 1/4 inch thick, and allowed to dry at to maintain structural integrity before further processing. These formed sticks are subsequently baked in kilns at controlled temperatures to harden the material without degrading the component. Established in 1795, Conté's Paris factory employed these methods to supply the with and writing tools on a significant scale. in the traditional process includes testing the finished crayons for uniformity of tone across batches and resistance to breakage, ensuring reliability for artistic and practical applications.

Artistic Applications

Drawing Techniques and Properties

Conté crayons possess a firm, hard texture that enables artists to create precise lines and subtle with control, distinguishing them from softer media like . This hardness results from their composition of pigments mixed with clay and binders, producing minimal dust during use and allowing marks to be easily erased with kneaded erasers for adjustments or highlights. Key drawing techniques with Conté crayons include and cross-hatching to build tonal values through parallel or intersecting lines, offering textured areas without excessive buildup. For smoother transitions, artists smudge the marks using fingers, tortillons, or paper stumps to achieve gradients and blended effects, while layering lighter colors over darker tones on prepared surfaces enhances depth through highlights and shadows. These methods leverage the crayon's square shape, where the corner provides fine details, the edge yields linear strokes, and the flat side delivers broad coverage. Conté crayons adhere best to rough-textured papers, such as laid or wove varieties, where the tooth grips the medium for effective layering and blending, though they can also bond to canvas when used in mixed-media applications with proper priming. Their advantages include producing long-lasting, fade-resistant marks suitable for both preparatory sketches and completed drawings, providing versatility across a range of tones from intense blacks to subtle whites. However, they are less blendable than soft pastels, often requiring sharpening or breaking for finer details, which can limit fluidity in certain techniques.

Notable Artists and Works

Georges Seurat extensively employed Conté crayons in his preparatory drawings for major Pointillist compositions, appreciating their ability to achieve precise tonal gradations on textured paper. For instance, his studies for A Sunday Afternoon on the Island of La Grande Jatte (1884–1886), such as the Landscape with Dog (1884) at the British Museum, utilized black Conté crayon to capture atmospheric effects and figure placements along the Seine, allowing Seurat to refine the painting's spatial harmony before applying his dot technique in oil. Similarly, Seurat's Conté crayon studies from the 1880s, such as L'écho (Echo) (c. 1883–84) at the Yale University Art Gallery, part of preparations for Bathers at Asnières (1884), demonstrate the medium's hardness for delineating form and shadow in outdoor scenes. Edgar Degas favored Conté crayons for underdrawings in his pastel works, valuing their blend of linear definition and subtle tonality to evoke motion in scenes. His sketches, such as Three Studies of a Dancer (ca. 1880) at the Morgan Library, highlight Conté's role in emphasizing fluid movement through quick, expressive strokes on blue paper, heightened with white chalk for depth. Odilon Redon incorporated colored Conté crayons into his symbolic works, such as The Eye (c. 1912) at MoMA, where black Conté combined with watercolor evoked dreamlike visions of floating orbs, enhancing the ethereal quality of his Symbolist imagery. In the 20th century, integrated Conté crayons into his sculptural drawings, using them alongside charcoal to explore organic forms. Works like Ideas for Sculpture (1937) at the feature Conté crayon to model undulating shapes and voids, bridging his three-dimensional ideas with two-dimensional planning. Contemporary illustrators have continued this tradition in , where Conté's bold lines and shading suit rapid conceptualization; for example, Tim Burton's storyboards for (1993) employed Conté crayon over to storyboard Jack Skellington's antics, capturing exaggerated gestures efficiently.

Modern Variants and Legacy

Contemporary Production

Contemporary production of Conté crayons is led by Société des Crayons Conté, a historic French brand now under the ColArt group, with facilities in and . Modern involves blending high-quality natural pigments—such as iron oxides, , and —with kaolin clay and a ether binder to ensure consistent color intensity and opacity across 84 shades, including and greens like chrome oxide green. The mixture is processed into square sticks measuring approximately 6 mm by 63 mm, suitable for both and use, through industrial methods that maintain the crayons' hardness and adhesive qualities compared to softer . These crayons are packaged in protective matchbox-style containers or boxes, often in sets of 4, 12, 18, or 48 sticks, providing convenient storage with inserts to prevent breakage. They are widely available through reputable art suppliers like Dick Blick Art Materials and Amazon, with set prices typically ranging from $10 to $25 as of 2025 depending on size and color assortment. In line with broader industry trends, Conté crayons feature non-toxic formulations, utilizing safe binders and pigments that comply with safety standards for artists. ColArt, as the parent company, emphasizes through initiatives like reducing substances of very high concern (SVHC) levels and practices, as outlined in its 2024/25 Impact Report, which includes Net Zero decarbonisation plans validated by the (SBTi). Conté crayons have played a pivotal role in since the , becoming a standard medium in academies for due to their ability to produce precise lines and tonal gradations on various surfaces. Invented in as a durable alternative to fragile , they were quickly adopted in French ateliers for preliminary sketches and anatomical studies, allowing students to explore form and light without the smudging issues of . In contemporary curricula, Conté crayons remain essential for value studies, where artists layer tones to build depth, as seen in programs emphasizing traditional techniques at institutions like the School of the Art Institute of Chicago. The medium's versatility in achieving subtle tonal transitions contributed to its influence on key artistic movements, enabling the tonal realism favored in Realism through expressive shading and atmospheric effects. Widely used by artists of the , including during the Impressionist period for preparatory drawings. As a precursor to modern sticks, Conté crayons introduced a controlled, non-dusting alternative for bold mark-making, paving the way for uncompressed graphite tools used today in expressive drawing. In related media, Conté crayons evolved into encased versions known as Conté pencils, which encased the clay-graphite mixture in wood for portability and precision, expanding their use beyond loose sketching. Their formulation of pigments bound with clay also inspired early developments, where similar binders allowed for vibrant, blendable hues in dry media. Culturally, Conté crayon works feature prominently in museum collections, including drawings at the that demonstrate their enduring archival quality. In modern contexts, the medium's textured marks have seen revival through digital scanning techniques, where artists emulate its gritty blend in software to replicate traditional effects in and . A parallel legacy stems from Conté's 1795 invention of the modern pencil, which standardized graded leads by varying clay-to-graphite ratios—resulting in scales like HB and 2B that denote and for consistent artistic output. This innovation democratized drawing tools, influencing global art practices far beyond the crayons themselves.

References

  1. https://cameo.mfa.org/wiki/Conte_crayon
  2. https://www.clarkart.edu/microsites/lines-from-life/about/exhibition-%281%29
  3. https://www.historyofinformation.com/detail.php?id=1288
  4. https://www.popularmechanics.com/technology/a21567/history-of-the-pencil/
  5. https://academic.oup.com/oaj/article/39/2/243/2223028
  6. https://simanaitissays.com/tag/conte-engraving-machine-speeds-up-illustrations/
  7. https://www.annieandre.com/french-inventions-we-use-everyday/
  8. https://edu.rsc.org/resources/on-this-day-aug-04--nicolas-jacques-conte-born/10804.article
  9. https://www.britannica.com/biography/Nicolas-Jacques-Conte
  10. https://www.lindahall.org/about/news/scientist-of-the-day/nicolas-jacques-conte/
  11. https://academic.oup.com/book/4461/chapter/146490614
  12. https://www.airvectors.net/avbloon_1.html
  13. https://www.artistsnetwork.com/art-mediums/drawing/graphite-charcoal-and-conte-crayons/
  14. https://www.georgeweil.com/blog/all-about-conte-a-paris-crayons/
  15. https://www.metmuseum.org/perspectives/materials-and-techniques-drawing-graphite
  16. https://www.conservation-wiki.com/wiki/BPG_Inpainting
  17. https://www.npr.org/sections/ed/2016/10/11/492999969/origin-of-pencil-lead
  18. https://myartshop.co.za/conte-a-paris-laugh-in-the-face-of-dull-pencils/
  19. https://www.dickblick.com/products/conte-a-paris-crayons/
  20. https://www.colart.com/en/our-brands/conte-a-paris/
  21. http://www.visual-arts-cork.com/drawing/conte-crayon-drawings.htm
  22. https://www.creativebloq.com/how-to/pastels-conte-crayons
  23. https://www.britishmuseum.org/collection/object/P_1968-0210-17
  24. https://artgallery.yale.edu/collections/objects/34000
  25. https://theartwolf.com/exhibitions/degas-drawings-morgan/
  26. https://www.moma.org/collection/works/35977
  27. https://www.guggenheim-venice.it/en/art/works/untitled-46/
  28. https://comics.ha.com/itm/animation-art/production-drawing/tim-burton-s-the-nightmare-before-christmas-original-storyboard-art-group-of-2-walt-disney-1993-total-2-/a/7255-16114.s
  29. https://www.jacksonsart.com/conte-carres-flesh-48
  30. https://www.amazon.com/Paris-Colored-Crayons-Assorted-Portrait/dp/B0044TP6SE
  31. https://www.yourartsupplies.com/drawing/pastels-crayons/conte-crayons.html
  32. https://www.guildartsupply.com/shop/Drawing-Supplies/Artists-Crayons/Conte--Colart.htm
  33. https://www.jacksonsart.com/conte-a-paris-carres-sketching-crayons
  34. https://www.amazon.com/Conte-Carres-Crayons-Assorted-Colours/dp/B0044SBDAU
  35. https://www.dickblick.com/items/conte-crayon-sets-18-color-set/
  36. https://www.amazon.com/Conte-Assorted-Crayons-48-Pack/dp/B001KZH250
  37. https://www.walmart.com/ip/Conte-Non-Toxic-Crayon-0-25-x-0-25-x-2-5-in-Pack-12/42799543
  38. https://www.colart.com/en/news/new-impact-report-2024-5/
  39. https://www.britannica.com/art/conte-crayon
  40. https://continuingstudies.saic.edu/ecpsi/1420-session-3-figure-drawing
  41. https://www.metmuseum.org/essays/nineteenth-century-french-realism
  42. https://www.jstor.org/stable/3190944
  43. https://collections.louvre.fr/en/ark:/53355/cl020231760
  44. https://www.themarginalian.org/2013/06/24/history-of-the-pencil/
  45. http://www.pencilpages.com/articles/grades.htm
  46. https://pubsapp.acs.org/cen/whatstuff/stuff/7942sci4.html
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