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Spessartine
Spessartine

Scolecite
Scolecite



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Spessartine
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Scolecite
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)
 
Brittle
Soluble
-
2.20-2.23
Irregular/uneven, Uneven
Perfect on {110} and {1 1 0}
5-5.5
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.