Sapphire is a blue variety:
of agate
of chalcedony
of corundum
of jasper
Sapphire is a gemstone, a variety of the mineral corundum, an aluminium. It is typically blue in color, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors. Pink colored corundum may be either classified as ruby or sapphire depending on locale.
reach: rather globalgeologyminerals
Answers by country
of agate
of chalcedony
of corundum
of jasper
answers
India86
Pakistan12
the Philippines18
Switzerland37
Austria54
Canada15
Ukraine31
Australia25
Germany380
Poland3044
the United States345
Denmark11
the United Kingdom59
Greece19
Nigeria13
the Netherlands19
Italy14