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Lazulite
Lazulite

Lepidocrocite
Lepidocrocite



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Lazulite
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Lepidocrocite

Lazulite and Lepidocrocite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.04-3.174
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

{001} Indistinct, {???} Indistinct
{010} Perfect

Mohs Hardness

5.55
2 10
👆🏻

Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
FeO(OH)

Lazulite and Lepidocrocite Chemical Formula

While comparing Lazulite and Lepidocrocite 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 Lazulite and Lepidocrocite chemical formula.

  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  • Chemical formula of Lepidocrocite- FeO(OH)

Lazulite and Lepidocrocite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Lepidocrocite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Lepidocrocite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 4 whereas that of Lepidocrocite is 4.