Andradite and Montebrasite Physical Properties

Andradite

Montebrasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.70-4.10

Conchoidal, Uneven

none

6.5-7

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

2.98-3.10

Uneven, Conchoidal

{100} Perfect, {110} Good, {011} Distinct

5.5-6

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Andradite and Montebrasite Chemical Formula

While comparing Andradite and Montebrasite 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 Andradite and Montebrasite chemical formula.

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Andradite and Montebrasite Specific Gravity

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