Catapleiite and Howlite Physical Properties

Catapleiite

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

2.722.45-2.58

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{110} Perfect, {010} Perfect

None

1.7 Mohs Hardness

5-63-3.5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Catapleiite and Howlite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Howlite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Catapleiite and Howlite Specific Gravity

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