hodgkinsonite
ck_admin
March 24, 2021
Discovered in 1913, its name honors H.H.Hodgkinson of the Franklin Mine in New Jersey, United States, where it was discovered.
variable
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diopside
ck_admin
March 24, 2021
Its name comes from the Greek, “two” and “appearance” because of the double surface appearance of the prism when it is crystallized. Diopside is also “starred”, “shimmering” and the chromite variety, gemstone essentially coming from Russia, is emerald green. A deposit in Piedmont( Italy )
rock crystal
ck_admin
March 24, 2021
The name quartz comes from a slavic word meaning “hard”. Rock crystal comes from the Greek “krystallos” meaning ice, because the ancients believed that it was “eternal ice”. It is a mineral, often regarded as a rock as it is widespread in various aspects and
cassiterite
ck_admin
March 24, 2021
Its name comes from the Greek “kassiterôs”, tin, or the name of the islands “Cassiterides” that produced this tin ore in antiquity, very likely islands very close to present-day Spain that would have given their name to this tin mineral, cassiterite. It is the principal
