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Microlite
Microlite

Heliodor
Heliodor



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Microlite
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Heliodor
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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5.5
Conchoidal
{111} Indistinct, {111} Indistinct, {111} Indistinct
5-5.5
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-9999
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Indiscernible
7.5
Be3Al2Si6O18