Montebrasite and Poldervaartite Physical Properties

Montebrasite

Poldervaartite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.102.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Montebrasite and Poldervaartite Chemical Formula

While comparing Montebrasite and Poldervaartite 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 Poldervaartite 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 Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare White Gemstones

Montebrasite Vs Nosean

Montebrasite Vs Onyx

Montebrasite Vs Pezzottaite

Montebrasite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.91 whereas that of Poldervaartite is 2.91.