Montebrasite and Williamsite Physical Properties

Montebrasite

Williamsite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.98-3.102.51-2.63

1 7.18

👆🏻

Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

Perfect

Mohs Hardness

5.5-64

2 10

👆🏻

Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Montebrasite and Williamsite Chemical Formula

While comparing Montebrasite and Williamsite 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 Williamsite 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 Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare White Gemstones

Montebrasite Vs Sellaite

Montebrasite Vs Sussexite

Montebrasite Vs Thomsonite

Montebrasite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.