Pleonaste and Hurlbutite Physical Properties

Pleonaste

Hurlbutite

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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

3.802.90

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Pleonaste and Hurlbutite Chemical Formula

While comparing Pleonaste and Hurlbutite 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 Pleonaste and Hurlbutite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste Vs Rubellite

Pleonaste and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.90 whereas that of Hurlbutite is 2.90.