Hollandite and Quartz Physical Properties

Hollandite

Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.65

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

Distinct / Good, Prismatic

{0110} Indistinct

1.7 Mohs Hardness

4-67

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

SiO₂

Hollandite and Quartz Chemical Formula

While comparing Hollandite and 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 Hollandite and Quartz chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Quartz- SiO₂

Compare Grey Gemstones

Hollandite Vs Musgravite

Hollandite Vs Larvikite

Hollandite Vs Falcons Eye

Hollandite and Quartz Specific Gravity

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