Howlite and Garnet Physical Properties

Howlite

Garnet

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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

2.45-2.583.55-4.33

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

None

Indistinct

1.7 Mohs Hardness

3-3.56.5-7.5

2 10

1.8 Chemical Composition

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

Garnet is a series of several different minerals with unique chemical formulas.

Howlite and Garnet Chemical Formula

While comparing Howlite and Garnet 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 Garnet chemical formula.

Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.

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Howlite and Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Garnet Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.55-4.33 whereas that of Garnet is 3.55-4.33.