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Phosphophyllite
Phosphophyllite

White topaz
White topaz



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Phosphophyllite
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White topaz
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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3.07-3.13
Conchoidal, Uneven
{100} Perfect, {010} Distinct, {102} Distinct
3-3.5
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-9999
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Indiscernible
-9999
Al2SiO4(F,OH)2