Almandine Garnet and Howlite Physical Properties

Almandine Garnet

Howlite

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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

4.32.45-2.58

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

None.

None

1.7 Mohs Hardness

7.5-8.53-3.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Almandine Garnet and Howlite Chemical Formula

While comparing Almandine Garnet and Howlite 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 Almandine Garnet and Howlite chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Almandine Garnet and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine Garnet and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine Garnet and Howlite Optical Properties during the identification of gemstone. Specific gravity of Almandine Garnet is 2.45-2.58 whereas that of Howlite is 2.45-2.58.