Eosphorite and Petalite Physical Properties

Eosphorite

Petalite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.082.40

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Poor on {100}

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

56-6.5

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Eosphorite and Petalite Chemical Formula

While comparing Eosphorite and Petalite 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 Eosphorite and Petalite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

Eosphorite Vs Gadolinium Gallium Garnet

Eosphorite Vs Forsterite

Eosphorite Vs Fluorite

Eosphorite and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Petalite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.40 whereas that of Petalite is 2.40.