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Montebrasite
Montebrasite

Star Ruby
Star Ruby



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Montebrasite
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Star Ruby

Montebrasite and Star Ruby Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.98-3.103.95-4.10
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven

Cleavage

{100} Perfect, {110} Good, {011} Distinct
None

Mohs Hardness

5.5-6-9999
2 10
👆🏻

Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Montebrasite and Star Ruby Chemical Formula

While comparing Montebrasite and Star Ruby 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 Star Ruby 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 Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Montebrasite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.