What gemstone is this?
azurite
malachite
cinnabar
turquoise
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.
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Answers by country
azurite
malachite
cinnabar
turquoise
answers
Iraq
10
Austria
42
Pakistan
11
Germany
291
Republic of Ireland
17
Australia
27
Ukraine
24
Poland
10789
Switzerland
29
the Netherlands
12
Canada
11
Greece
17
the United Kingdom
65
the United States
340
the Philippines
16
Unknown
16
India
64