90 grams CHAROITE beads 15x10mm down to 6x4mm - Siberia Russia- 15.5 inch strand

Description

Charoite
is a rare
silicate mineral
, first described in 1978 and named for the
Chara River
. It has been reported only from the
Sakha Republic
, Siberia, Russia.  It is found where a
syenite
of the Murunskii
Massif
has intruded into and altered
limestone
deposits producing a
potassium feldspar
metasomatite
.
Charoite is translucent lavender to purple in color with a pearly luster. Charoite is strictly massive in nature, and fractures are
conchoidal
. It has an unusual swirling, fibrous appearance, sometimes
chatoyant
, and that, along with its intense color, can lead many to believe at first that it is synthetic or enhanced artificially.
Though reportedly discovered in the 1940s, it was not known to most of the world until its description in 1978. It is said to be opaque and unattractive when found in the field; a fact that may have contributed to its late recognition.
Charoite occurs in association with
tinaksite
and
canasite
.
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