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Magnesite — specimens [gallery view]
A primary mineral in
igneous
or
sedimentary rocks
; formed by metamorphism or alteration of
serpentine
and
peridotite
; rare in
carbonatites
(
Anthony et al., 2001—2005
). Faceted specimens are very rare. The largest faceted stone is a 134.5 carat from Brazil (
Arem, 1987
: 127).
0164
Brazil
0130
no precise locality
Magnesite — specimens — 2
Page 1
Gemmology — gemstones
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.