Pleonaste and Milarite Physical Properties

Pleonaste

Milarite

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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

3.802.52-2.60

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

85.5-6

2 10

1.8 Chemical Composition

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

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pleonaste and Milarite Chemical Formula

While comparing Pleonaste and Milarite 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 Milarite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Milarite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.52-2.60 whereas that of Milarite is 2.52-2.60.