Sérandite definitions

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Sérandite

Sérandite logo #10101) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel 7) Jewel mineral 8) Mineral jewel 9) Mineral gemstone 10) Polished mineral 11) Polished jewel 12) Prized stone 13) Precious gem 14) Prized mineral 15) Precious stone 16) Precious jewel 17) Precious gemstone
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Sérandite

Sérandite logo #21000 Sérandite, also serandite, is a mineral with formula Na(Mn2+,Ca)2Si3O8(OH). The mineral was discovered in Guinea in 1931 and named for J. M. Sérand. Sérandite is generally red, brown, black or colorless. Sérandite is transparent to translucent and is normally salmon-pink, light pink, rose-red, orange, brown, black, or colorless; in thin sectio...
Found on http://en.wikipedia.org/wiki/Sérandite
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