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Colemanite
Colemanite
☒

Afghanite
Afghanite
☒



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Colemanite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.40-2.42
-
{010} Perfect, {001} Distinct
4.5
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
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2.55-2.65
Conchoidal
Perfect {10 1 0}
5.5-6
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Compare Colorless Gems

Colorless Gems

Hyalite
Hyalite
Muscovite
Muscovite
Oligoclase
Oligoclase
Afghanite
Girasol
Afghanite Vs Girasol
Afghanite
Gypsum
Afghanite Vs Gypsum
Afghanite
Hambergite
Afghanite Vs Hambergite

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