Brown Gemstones

Brown crystals, stones & gemstone names

• Diamond Mohs 10 (defining mineral)
• Obsidian Mohs 5–6
• Snowflake Obsidian Mohs 5–6
• Amber
• Pearl Mohs 2.5–4.5
• Agate Mohs 6.5–7
• Cinnabar Mohs 2.0–2.5
• Tourmaline Mohs 7.0–7.5
• Onyx Mohs 6.5–7
• Peridot Mohs 6.5–7
• Jasper Mohs 6.5–7
• Topaz Mohs 8 (defining mineral)
• Calcite Mohs 3 (defining mineral)
• Zircon Mohs 7.5
• Magnetite Mohs 5.5–6.5
• Carnelian Mohs 6.5–7.0
• Petrified Wood
• Tiger's Eye Mohs 6.5–7
• Chrysoberyl Mohs 8.5
• Aragonite Mohs 3.5–4
• Nephrite Mohs 6.0 to 6.5
• Rhyolite
• Jet Mohs 2.5–4.0
• Sunstone Mohs 6.0–6.5
• Sphalerite Mohs 3.5–4
• Smoky Quartz Mohs 7 – lower in impure varieties (defining mineral)
• Celestine Mohs 3.0–3.5
• Charoite Mohs 5 - 6
• Chrysocolla Mohs 2.5–3.5 (7 for chrysocolla chalcedony, high-silica content)
• Orpiment Mohs 1.5–2
• Rhodonite Mohs 5.5–6.5
• Marcasite Mohs 6–6.5
• Magnesite Mohs 3.5–4.5
• Diopside Mohs 5.5–6.5
• Epidote Mohs 6–7
• Almandine Mohs 7.0–7.5
• Vanadinite Mohs 3–4
• Sugilite Mohs 6–
• Staurolite Mohs 7 – 7.5
• Vesuvianite Mohs 6–7
• Andalusite Mohs 6.5–7.5
• Sardonyx Mohs 6.5–7
• Variscite Mohs 4.5
• Alexandrite Mohs 8.5
• Eudialyte Mohs 5–6
• Scapolite Mohs 5.5–6
• Pietersite Mohs 7
• Hypersthene Mohs 5.5–6
• Axinite Mohs 6.0–7.5
• Danburite Mohs 7 – 7.5
• Purpurite Mohs 4–5
• Bronzite
• Schorl Mohs 7.0–7.5