Chalcedony and corundum can both appear in white forms and have a Mohs hardness greater than most feldspars.
chalk (calcium carbonate) derived from shells of creatures.
What is a whitish gray stones that leaves a colorless streak behind and is nonmitallic
feldspar
Halite
Chalk
talc
Feldspar
No. It has a nonmetallic luster.
Augite has a nonmetallic luster.
Calcite is a compound and therefore cannot be classified as a metal or nonmetal.
Quartz has a nonmetallic, vitreous luster.
Gypsum
What is a whitish gray stones that leaves a colorless streak behind and is nonmitallic
No. It has a nonmetallic luster.
Augite has a nonmetallic luster.
Calcite is a compound and therefore cannot be classified as a metal or nonmetal.
Quartz has a nonmetallic, vitreous luster.
I think its nonmetallic as it is glass
a ruby is nonmetallic
yes
magnetite
Gypsum
If a mineral has a shiny luster, is it matallicIf a mineral has no shiny luster, is it nonmetallic?
There is not enough information to go on. Many minerals fit this description, especially since there are several types of nonmetallic luster.