Sardonyx and Montebrasite Physical Properties

Sardonyx

Montebrasite

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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

2.55-2.702.98-3.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Montebrasite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Montebrasite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Sardonyx and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.