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Montebrasite
Montebrasite

Phlogopite
Phlogopite



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Montebrasite
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Phlogopite

Montebrasite and Phlogopite Physical Properties

Physical Properties

Tenacity

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

2.98-3.102.78-2.85
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven

Cleavage

{100} Perfect, {110} Good, {011} Distinct
Perfect basal (001)

Mohs Hardness

5.5-62-2.5
2 10
👆🏻

Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
KMg3(Si3Al)O10(F,OH)2

Montebrasite and Phlogopite Chemical Formula

While comparing Montebrasite and Phlogopite 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 Phlogopite 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 Phlogopite- KMg3(Si3Al)O10(F,OH)2

Montebrasite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.