Brown Gemstones
Brown gemstones and crystals โ 53 popular brown stones with photos and identification notes. Looking for brown crystal names for jewellery, collecting or a daily-carry stone? Start here, then test yourself in the crystal quiz.
Brown crystals, stones & gemstone names
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Diamond
Mohs 10 (defining mineral)
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Obsidian
Mohs 5โ6
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Snowflake Obsidian
Mohs 5โ6
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Amber
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Pearl
Mohs 2.5โ4.5
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Agate
Mohs 6.5โ7
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Cinnabar
Mohs 2.0โ2.5
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Tourmaline
Mohs 7.0โ7.5
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Onyx
Mohs 6.5โ7
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Peridot
Mohs 6.5โ7
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Jasper Mohs 6.5โ7
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Topaz
Mohs 8 (defining mineral)
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Calcite
Mohs 3 (defining mineral)
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Zircon
Mohs 7.5
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Magnetite
Mohs 5.5โ6.5
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Carnelian
Mohs 6.5โ7.0
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Petrified Wood
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Tiger's Eye
Mohs 6.5โ7
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Chrysoberyl
Mohs 8.5
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Aragonite
Mohs 3.5โ4
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Nephrite
Mohs 6.0 to 6.5
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Rhyolite
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Jet
Mohs 2.5โ4.0
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Sunstone
Mohs 6.0โ6.5
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Sphalerite
Mohs 3.5โ4
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Smoky Quartz
Mohs 7 โ lower in impure varieties (defining mineral)
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Celestine
Mohs 3.0โ3.5
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Charoite
Mohs 5 - 6
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Chrysocolla
Mohs 2.5โ3.5 (7 for chrysocolla chalcedony, high-silica content)
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Orpiment
Mohs 1.5โ2
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Rhodonite
Mohs 5.5โ6.5
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Marcasite
Mohs 6โ6.5
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Magnesite
Mohs 3.5โ4.5
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Diopside
Mohs 5.5โ6.5
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Epidote
Mohs 6โ7
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Almandine
Mohs 7.0โ7.5
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Vanadinite
Mohs 3โ4
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Sugilite
Mohs 6โ
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Staurolite
Mohs 7 โ 7.5
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Vesuvianite
Mohs 6โ7
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Andalusite
Mohs 6.5โ7.5
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Sardonyx
Mohs 6.5โ7
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Variscite
Mohs 4.5
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Alexandrite
Mohs 8.5
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Eudialyte
Mohs 5โ6
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Scapolite
Mohs 5.5โ6
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Pietersite
Mohs 7
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Hypersthene
Mohs 5.5โ6
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Axinite
Mohs 6.0โ7.5
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Danburite
Mohs 7 โ 7.5
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Purpurite
Mohs 4โ5
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Bronzite
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Schorl
Mohs 7.0โ7.5
Frequently asked questions
What is the most popular brown crystal?
Diamond is among the best-known brown stones. Diamond is a mineral form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is a tasteless, odorless, strong, b
Are all brown gemstones rare or expensive?
No. Brown stones range from common, affordable minerals to rare gem-quality material. Value depends on the species, clarity and whether the colour is natural or treated.