Simpsonite and Andesine Physical Properties

Simpsonite

Andesine

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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

Not Available2.65-2.69

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None

Perfect on {001}, good on {010}

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

(Na,Ca)Al_1-2Si_3-2O₈

Simpsonite and Andesine Chemical Formula

While comparing Simpsonite and Andesine 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 Simpsonite and Andesine chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Simpsonite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Simpsonite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.