Boracite and Andradite Physical Properties

Boracite

Andradite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.963.70-4.10

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

none

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Boracite and Andradite Chemical Formula

While comparing Boracite and Andradite 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 Boracite and Andradite chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Yellow Gemstones

Boracite Vs Childrenite

Boracite Vs Catapleiite

Boracite Vs Chalcopyrite

Boracite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Boracite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.