Rock Crystal and Montebrasite Physical Properties

Rock Crystal

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

2.652.98-3.10

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

75.5-6

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

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

Rock Crystal and Montebrasite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Montebrasite chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Rock Crystal Vs Sardonyx

Rock Crystal Vs Scorzalite

Rock Crystal and Montebrasite Specific Gravity

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