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Phosphosiderite
Phosphosiderite

Umbalite
Umbalite



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Phosphosiderite
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Umbalite

Phosphosiderite and Umbalite 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
2.74-2.763.62-4.33
Amber
1 7.18
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
1.6 Cleavage
{010} Perfect, {001} Distinct
Not Available
1.7 Mohs Hardness
3.5-47-7.5
Amber
2 10
1.8 Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Phosphosiderite and Umbalite Chemical Formula

While comparing Phosphosiderite and Umbalite 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 Phosphosiderite and Umbalite chemical formula.

  • Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Phosphosiderite and Umbalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.