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Hurlbutite
Hurlbutite

Milarite
Milarite



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Hurlbutite
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Milarite

Hurlbutite and Milarite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.902.52-2.60
Amber
1 7.18
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
None
{0001} Imperfect, {1120} Imperfect
1.7 Mohs Hardness
65.5-6
Amber
2 10
1.8 Chemical Composition
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hurlbutite and Milarite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Milarite chemical formula.

  • Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hurlbutite and Milarite Specific Gravity

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