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Colemanite
Colemanite
FAMILY:
Inoborates
COLOR:
Colorless, White, Yellowish, Grey; Colorless In Transmitted Light
MOH'S HARDNESS:
4½
DENSITY:
2.423
TRANSPARENCY:
Translucent
OCCURRENCE:
Rare
ORIGIN:
Serbia, Turkey, Usa, Greece, Kazakhstan
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2115 A533
1979 17 Sep
Turkey
2011 01 Jan
Guinea
2011 01 Jan
Guinea
955 A303 c
2016 05 Mai
Djibouti
2017 25 Aug
Guinea
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Your search for Colemanite resulted in 5 Stamps