Montebrasite and Jeremejevite Physical Properties

Montebrasite

Jeremejevite

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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

2.98-3.103.28-3.31

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

5.5-66.5-7.5

2 10

1.8 Chemical Composition

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

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Montebrasite and Jeremejevite Chemical Formula

While comparing Montebrasite and Jeremejevite 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 Jeremejevite 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 Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Montebrasite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.