Epidote and Boulder Opal Physical Properties

Epidote

Boulder Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.501.98-2.25

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous

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

1.6 Cleavage

{001} perfect and {100} imperfect

Not Available

1.7 Mohs Hardness

6-75-6.5

2 10

1.8 Chemical Composition

CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 + H 2OUlrich Henn and Claudio C.

Epidote and Boulder Opal Chemical Formula

While comparing Epidote and Boulder Opal 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 Epidote and Boulder Opal chemical formula.

Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Brown Gemstones

Epidote Vs Fluor buergerite

Epidote Vs Fluorapatite

Epidote Vs Fluorite

Epidote and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Epidote is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.