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Howlite
Howlite

Fluorite
Fluorite



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Howlite
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Fluorite

Howlite and Fluorite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
Brittle
slightly water soluble and in hot hydrochloric acid
-
3.00-3.25
Subconchoidal, Uneven, ConchoidalWalter Schumann
Octahedral, perfect on {111}, parting on {011}
4
CaF2

Howlite and Fluorite Chemical Formula

While comparing Howlite and Fluorite 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 Fluorite chemical formula.

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Howlite and Fluorite Specific Gravity

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