Londonite and Bloodstone Heliotrope Physical Properties

Londonite

Bloodstone Heliotrope

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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

3.342.55-2.70

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

SiO 2Arthur Thomas , Gemstones (2009)

Londonite and Bloodstone Heliotrope Chemical Formula

While comparing Londonite and Bloodstone Heliotrope 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 Londonite and Bloodstone Heliotrope chemical formula.

Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

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Londonite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Londonite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.