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Spessartine
Spessartine

Sarcopside
Sarcopside



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Spessartine
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Sarcopside
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.12-4.18
Conchoidal
{???} Distinct
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
3.79-3.94
Lamellar, Splintery
{100} Good, {001} Good, {010} Poor
4
FeAs