Milarite and Plumbogummite Physical Properties

Milarite

Plumbogummite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.52-2.604.014

1 7.18

1.5 Fracture

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

Uneven, Conchoidal

1.6 Cleavage

{0001} Imperfect, {1120} Imperfect

None

1.7 Mohs Hardness

5.5-64-5

2 10

1.8 Chemical Composition

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

Not Available

Milarite and Plumbogummite Chemical Formula

While comparing Milarite and Plumbogummite 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 Milarite and Plumbogummite chemical formula.

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

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Milarite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milarite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milarite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Milarite is 4.014 whereas that of Plumbogummite is 4.014.