Alexandrite and Tremolite Physical Properties

Alexandrite

Tremolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.95-3.07

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2.

Perfect on {110} at 56° and 124°; partings on {010} and {100}

1.7 Mohs Hardness

8.55-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Alexandrite and Tremolite Chemical Formula

While comparing Alexandrite and Tremolite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Alexandrite and Tremolite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Alexandrite and Tremolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Tremolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Tremolite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.95-3.07 whereas that of Tremolite is 2.95-3.07.