hematite

ck_admin March 24, 2021

It is also called blood or blood stone and his name probably comes from the fact that it turns blood red the cooling water when it is cut (from the Greek “haimatos” for blood). Note however a false-English friend: “bloodstone”, this English name is referred

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hauyne

ck_admin March 24, 2021

Its name honors the French crystallographer René Just Hauy (1743-1822), who discovered it in 1807 in Italy on Mount Vesuvius. The most beautiful gem crystals, come from the Eifel Mountains in southern Germany.

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gypsum

ck_admin March 24, 2021

The exact origin of his name still appears uncertain. The Greek word “gypsos”, meaning “plaster”, and would decompose into “ge” for “ stone “, and “Ipson” for “burn”. The origin of the word would rather be Semitic. In Latin, gypsum, in old French was called

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grossular

ck_admin March 24, 2021

Its name recalls the color of the gooseberry. Hessonite variety: it is the most renowned, also known as cinnamon stone or garnet hyacinth, name not to be used, it is a variety of grossular of dark orange color. Tsavorite: variety of grossular going from green

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