poudretteite
ck_admin
March 24, 2021
It owes its name to “Poudrette Quarry” in Mont Saint-Hilaire in Canada where it was discovered. The deep pink gem variety can be cut and was not discovered until 2001.
silicates
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actualités
sunstone
ck_admin
March 24, 2021
It consists of feldspar, mostly plagioclase and mainly oligoclase, some andesine and labradorite and has a characteristic appearance: there is a flicker of small metallic flakes inside an orange mass, this is why it was given the name of sunstone, or héliolite. This orange optical
moonstone
ck_admin
March 24, 2021
The moonstone is composed of alkaline feldspar, mainly potassium in other words orthoclase, in its variety “adularia”. This is actually a microperthite resulting from a microscopic phase separation of platelets from a sodium feldspar, the albite, in the orthoclase during the cooling of the mixture
pezzotaite
ck_admin
March 24, 2021
Discovered in 2002, it honors the name of the Italian mineralogist Federico Pezzotta, who discovered it in Madagascar.
