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Chemical formula: 2CoСO3•3Co(OH)2•H2O
Azurite is a natural blue basic copper carbonate
• Chemical description: Natural carmine is a red-purple dye derived from carminic acid produced by female cochineal insects
Acid resistance: 1
Orpiment Weight:1kg Chemical formula: 2CoСO3•3Co(OH)2•H2OOrpiment natural pigment powder A translucent, golden yellow mineral found in hot springs and volcanoes. The modern name comes from the Latin word auripigment, which means gold paint. Undesirable reactions with white lead and red lead are possible. Chemical description: Mineral. Arsenic sulfide . Chemical formula: As2S3 Color Index: PY 39 Light resistance: 6. 7 Alkali resistance: 5 Lime Resistance: 5 Acid resistance: 5 Suitability Acrylic, Tempera,
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