Black Opal and Tinzenite Physical Properties

Black Opal

Tinzenite

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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

1.97-2.223.355-3.433

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

{???} Good, {???} Good

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

Black Opal and Tinzenite Chemical Formula

While comparing Black Opal and Tinzenite 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 Black Opal and Tinzenite chemical formula.

Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Black Opal Vs Caledonite

Black Opal Vs Boulder Opal

Black Opal Vs Brucite

Black Opal and Tinzenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Tinzenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Tinzenite Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.355-3.433 whereas that of Tinzenite is 3.355-3.433.