Annabergite and Pleonaste Physical Properties

Annabergite

Pleonaste

Add ⊕

1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.80

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

Not Available

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

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

Annabergite and Pleonaste Chemical Formula

While comparing Annabergite and Pleonaste 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 Annabergite and Pleonaste chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Compare Green Gemstones

Annabergite Vs Chlorite group

Annabergite Vs Cavansite

Annabergite Vs Beudantite

Annabergite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.80 whereas that of Pleonaste is 3.80.