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Montebrasite
Montebrasite

Amethyst
Amethyst



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Montebrasite
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Amethyst

Montebrasite and Amethyst Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.98-3.10
2.65
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{100} Perfect, {110} Good, {011} Distinct
Indiscernible
1.7 Mohs Hardness
5.5-6
7
1.8 Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
SiO2

Montebrasite and Amethyst Chemical Formula

While comparing Montebrasite and Amethyst 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 Amethyst 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 Amethyst- SiO2

Montebrasite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.65 whereas that of Amethyst is 2.65.

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