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Boulder Opal
Boulder Opal

Phosphosiderite
Phosphosiderite



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Boulder Opal
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Phosphosiderite

Boulder Opal and Phosphosiderite 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
1.98-2.252.74-2.76
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
1.6 Cleavage
Not Available
{010} Perfect, {001} Distinct
1.7 Mohs Hardness
5-6.53.5-4
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Boulder Opal and Phosphosiderite Chemical Formula

While comparing Boulder Opal and Phosphosiderite 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 Boulder Opal and Phosphosiderite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Boulder Opal and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.