No. It is a carbohydrate. Salt would be an example of a mineral.
galena
calcite
copper
For example talc is very soft.
Calcite is an example of a carbonate mineral.
Sharp sand is an example of a silicate mineral.
No. A mineral must be solid to be a mineral. For example, liquid water is not a mineral. Frozen water, or ice, is a mineral.
Mineral.
salt
No. It is a carbohydrate. Salt would be an example of a mineral.
Opal is not a mineral, but a silica gel.
Copper.
Copper
Hematite
yes
galena