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Andesine
Andesine

Tortoiseshell
Tortoiseshell



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Andesine
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Tortoiseshell

Andesine and Tortoiseshell Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.65-2.691.25-1.35
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

Perfect on {001}, good on {010}
None

Mohs Hardness

6-6.5-9999
2 10
👆🏻

Chemical Composition

(Na,Ca)Al1-2Si3-2O8
-

Andesine and Tortoiseshell Chemical Formula

While comparing Andesine and Tortoiseshell 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 Andesine and Tortoiseshell chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Tortoiseshell- -

Andesine and Tortoiseshell Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Andesine is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.