simpsonite
ck_admin
March 24, 2021
It was discovered in Australia and its name honors the Australian mineralogist Edward Sydney Simpson (1875-1939).
trigonal
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schlossmacherite
ck_admin
March 24, 2021
Discovered in 1980, its name honors the German gemologist Karl Schlossmacher.
sapphire
ck_admin
March 24, 2021
Its name comes from the Hebrew “Sappir” which referred for a long time the blue gems, the “most beautiful things”. By 1800, it was shown that the ruby and sapphire were only varieties of the same mineral, corundum. Currently, sapphire corresponds to all the blue
rhodochrosite
ck_admin
March 24, 2021
The gem variety, which is only marketed since 1950, yet named dialogite or “Inca Rose”, saw its name derived from the Greek “rhodon” for rose. In fact, the term dialogite was reserved to rhombohedral crystals. It is of a pinkish red to yellowish color, with
