ASBESTOS
it is mercury because mercury is the most hazardous mineral fiber
A mineral is, by definition, a solid substance.
Opal is an amorphous form of silica related to quartz, a mineraloid form, not a mineral. A mineraloid is a mineral-like substance that does not demonstrate crystallinity.Now you get it?
Coal is not a mineral. A mineral is a solid non-organic substance. Coal is an organic substance.
Hydroxylapatite is the mineral substance in bone. It is a calcium compound.
No, a mineral is a hard substance
To be a mineral, a substance must meet certain criteria. One of these is that the substance be solid. Mineral oil does not meet this requirement.
The kidneys filter urea, excess water and some mineral salts from the blood. This solution of unwanted products is referred to as urine.
Theoretically a mineral is a pure substance; practically this situation is not so frequent.
how might you decide whether a given substance is a mineral
how might you decide whether a given substance is a mineral
how might you decide whether a given substance is a mineral