Glaucophane and Lapis lazuli Physical Properties

Glaucophane

Lapis lazuli

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.50-3.00

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Good on [110] and on [001]

3,6

1.7 Mohs Hardness

6.0-6.55.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

Glaucophane and Lapis lazuli Chemical Formula

While comparing Glaucophane and Lapis lazuli 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 Glaucophane and Lapis lazuli chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

Compare Blue Gemstones

Glaucophane Vs Scorodite

Glaucophane Vs Riebeckite

Glaucophane Vs Rosasite

Glaucophane and Lapis lazuli Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.