Hiddenite and Lapis lazuli Physical Properties

Hiddenite

Lapis lazuli

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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

3.15-3.212.50-3.00

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

3,6

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Hiddenite and Lapis lazuli Chemical Formula

While comparing Hiddenite 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 Hiddenite and Lapis lazuli chemical formula.

Chemical formula of Hiddenite- LiAlSi₂O₆
Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

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Hiddenite Vs Lazurite

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Hiddenite and Lapis lazuli Specific Gravity

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