Howlite and Hardystonite Physical Properties

Howlite

Hardystonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.45-2.583.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

None

[001] good, [100] and [110] fair

1.7 Mohs Hardness

3-3.53-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Howlite and Hardystonite Chemical Formula

While comparing Howlite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Gemini » More

Howlite Vs Aqua Aura

Howlite Vs Chrome Diopside

Howlite Vs Serpentine

» More

More Compare Gems for Gemini

Howlite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.