Dallasite and Milarite Physical Properties

Dallasite

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

2.58-2.912.52-2.60

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

6.5-75.5-6

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Milarite Chemical Formula

While comparing Dallasite 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 Dallasite and Milarite 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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Dallasite and Milarite Specific Gravity

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