Alunite and Rose Quartz Physical Properties

Alunite

Rose Quartz

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.92.65

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

On {0001}, perfect

Indiscernible

1.7 Mohs Hardness

3.5-47

2 10

1.8 Chemical Composition

KAl3(SO4)2(OH)6

SiO₂

Alunite and Rose Quartz Chemical Formula

While comparing Alunite and Rose Quartz 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 Alunite and Rose Quartz chemical formula.

Chemical formula of Alunite- KAl3(SO4)2(OH)6
Chemical formula of Rose Quartz- SiO₂

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Alunite and Rose Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Rose Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Rose Quartz Optical Properties during the identification of gemstone. Specific gravity of Alunite is 2.65 whereas that of Rose Quartz is 2.65.