Creedite and Phosphosiderite Physical Properties

Creedite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.702.74-2.76

1 7.18

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

Perfect on {100}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

4.53.5-4

2 10

1.8 Chemical Composition

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Creedite and Phosphosiderite Chemical Formula

While comparing Creedite 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 Creedite and Phosphosiderite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Colorless Gems

Creedite Vs Dravite

Creedite Vs Diaspore

Creedite Vs Diopside

Creedite and Phosphosiderite Specific Gravity

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