Montebrasite and Tortoiseshell Physical Properties

Montebrasite

Tortoiseshell

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.101.25-1.35

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

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

Not Available

Montebrasite and Tortoiseshell Chemical Formula

While comparing Montebrasite 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 Montebrasite and Tortoiseshell chemical formula.

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

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Montebrasite and Tortoiseshell Specific Gravity

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