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
Austria53
Switzerland36
Canada15
Ukraine31
Australia25
Germany362
Poland3008
the United States332
the United Kingdom56
Greece19
Denmark10
the Netherlands17
Nigeria13
Italy14