Foitite and Gedrite Physical Properties

Foitite

Gedrite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.173.15-3.259

1 7.18

👆🏻

Fracture

Cleavage

None

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

75.5-6

2 10

👆🏻

Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Foitite and Gedrite Chemical Formula

While comparing Foitite and Gedrite 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 Foitite and Gedrite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

Foitite Vs Purpurite

Foitite Vs Scapolite

Foitite Vs Eudialyte

Foitite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Foitite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.