Montebrasite and Pollucite Physical Properties

Montebrasite

Pollucite

Add ⊕

Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

2.98-3.102.86-2.94

1 7.18

👆🏻

Fracture

Uneven, Conchoidal

Conchoidal, Uneven

Cleavage

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

None observed

Mohs Hardness

5.5-66.5-7

2 10

👆🏻

Chemical Composition

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

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Montebrasite and Pollucite Chemical Formula

While comparing Montebrasite and Pollucite 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 Pollucite 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 Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Compare White Gemstones

Montebrasite Vs Sellaite

Montebrasite Vs Sussexite

Montebrasite Vs Thomsonite

Montebrasite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.