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Name: feldspar

Mineral: Silicate

Hardness: 6

Colour: White, Yellow, Blue, Grey, Colourless

Lustre: Vitreous, Pearly

Appearance: Translucent

Characteristics: Can display many colours or be milky, opalescence, Iridescence, Schiller

Location:  USA, Sri Lanka, Madagascar, Canada, Finland etc

Origin: Igneous and Metamorphic rocks


Feldspar is the most abundant group in the earth and comprises of Labradorite, Moonstone, Orthoclase, Sunstone, Peristerite, Amazonite.

Iron causes the yellow colours, Lead causes the blue and green, Hematite causes the play of light in Sunstone.

Moonstone and Labradorite are the two most popular members of the group and can display a wonderful sheen and iridescence.

further reading >> Stone and mineral index 

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