Pleonaste and Montebrasite Physical Properties

Pleonaste

Montebrasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.802.98-3.10

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

85.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Montebrasite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Montebrasite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste and Montebrasite Specific Gravity

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