Montebrasite and Celestine Physical Properties

Montebrasite

Celestine

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.98-3.103.90-4.00

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

Mohs Hardness

5.5-63-3.5

2 10

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Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Montebrasite and Celestine Chemical Formula

While comparing Montebrasite and Celestine 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 Celestine chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.