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Herderite
Herderite

Montebrasite
Montebrasite



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Herderite
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Montebrasite

Herderite and Montebrasite 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
2.90-3.022.98-3.10
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Indistinct on {110}
{100} Perfect, {110} Good, {011} Distinct
1.7 Mohs Hardness
5-5.55.5-6
Amber
2 10
1.8 Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Herderite and Montebrasite Chemical Formula

While comparing Herderite and Montebrasite 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 Herderite and Montebrasite chemical formula.

  • Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
  • Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Herderite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.