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Triplite
Triplite

Wood Opal
Wood Opal



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Wood Opal
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.85-3.94
Conchoidal, Uneven
{010} Good, {100} Distinct
5-5.5
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
1.98-2.50
-
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)