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Montebrasite
Montebrasite

Nepheline
Nepheline



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Montebrasite
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Nepheline

Montebrasite and Nepheline Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.98-3.102.55-2.65
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{100} Perfect, {110} Good, {011} Distinct
[1010] Poor
1.7 Mohs Hardness
5.5-65-6
Amber
2 10
1.8 Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Montebrasite and Nepheline Chemical Formula

While comparing Montebrasite and Nepheline 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 Nepheline 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 Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Montebrasite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.