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Demantoid
Demantoid

Topaz
Topaz



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Demantoid
X
Topaz

Demantoid and Topaz Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2

Demantoid and Topaz Chemical Formula

While comparing Demantoid and Topaz 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 Demantoid and Topaz chemical formula.

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Demantoid and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid Vs Topaz during the identification of gemstone. Specific gravity of Demantoid is whereas that of Topaz is .