Rose Quartz and Howlite Physical Properties

Rose Quartz

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

2.65

2.45-2.58

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

None

1.7 Mohs Hardness

3-3.5

1.8 Chemical Composition

SiO₂

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

Rose Quartz and Howlite Chemical Formula

While comparing Rose Quartz 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 Rose Quartz and Howlite chemical formula.

Chemical formula of Rose Quartz- SiO₂
Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rose Quartz and Howlite Specific Gravity

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