Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.07-3.133.32
1
7.18
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Fracture
Conchoidal, Uneven
-
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
{???} Distinct, {???} Distinct, {???} Distinct
Mohs Hardness
3-3.5-9999
2
10
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Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)