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Gemmology questions

This is a list of recently added questions about gemmology.
What gemstone is this?
azurite
1353
malachite
7021
cinnabar
566
turquoise
2761
Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and spaces, deep underground.
 Ninjai
0
Correct this question
wikipedia → Malachite
1
Very interesting!
Gemstones questions
What's the origin of the word "turquoise"?
Turku City in Finland
1181
Turkey as a country
2957
Turkusy, fake region
1428
Persian tortoise
1736
The name Turquoise was established in the seventeenth century and came from the name of Turkey (turquoise is French for "Turkish"), because the mineral was first brought to Europe from Turkey. Ancient Romans called this rock Kalalit.
 GabrielBaran
0
Correct this question
5
Very interesting!
Turkey questions
What is the Greek name for amber?
particlon
1196
elektron
3365
amberion
2737
atomios
1375
Words like "electricity" come directly from the name of amber. Already the ancient Greeks noticed that this stone has a certain mysterious property: when rubbed with fur, it begins to attract particles of dust...
 Marta_Smolarek
-1
Correct this question
5
Very interesting!
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