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Howlite
Howlite

Moonstone
Moonstone



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Howlite
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Moonstone

Howlite and Moonstone Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.45-2.58
Conchoidal
None
3-3.5
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
2.56-2.60
Uneven, ConchoidalWalter Schumann
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
6-6.5
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Howlite and Moonstone Chemical Formula

While comparing Howlite and Moonstone 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 Howlite and Moonstone chemical formula.

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Howlite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite Vs Moonstone during the identification of gemstone. Specific gravity of Howlite is whereas that of Moonstone is .