Its density is: 3.19
That would be Silver, with a density of exactly 10.5Also, Sperrylite, with a density of 10.58
Gypsum has a density of 2.31 to 2.33 grams per cubic centimetre.
Density of gypsum is from 2.312 - 2.322 g/cm3 or gram per cubic centimeter. The calculated density of this sulphate mineral is 2.308 g/cm3.
diamond
The amount of mass per unit volume.
Yes Apatite is a mineral.
apatite
the colors of apatite are green, yellow, blue, redish-brown and purple
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On the Mohs mineral hardness scale, calcite is about a 3, and apatite is about a 5. So, whatever is at a hardness of 4 will scratch a 3 but not a 5. That mineral is fluorite.
Quartz is harder than apatite, quartz being a 7 on the Mohs mineral hardness scale and apatite being a 5.
Minerals that will scratch apatite must be more than a 5 on the Moh's hardness scale. So feldspar, quartz, topaz, corundum, and diamond will scratch apatite.
The primary use of apatite is in the manufacture of fertilizer, being a source of phosphorus. Apatite also is used in the fluoridation of drinking water and to put protective coatings on metals to prevent rust.
Apatite rock belongs to the Phosphate mineral group. Its primary use is in the production of fertilizer as a source of phosphorus and it is occasionally used as a gemstone.
fluorite
Apatite fits the definition of a mineral: a solid, inorganic, naturally occurring material with a definite chemistry and a crystalline form. Rocks are composed of minerals, most normally in combinations of different minerals with differing properties.
bacially it has a hard harness.