Calcite (CaCO3).
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Fluorite (also called fluorspar) is a halide mineral composed of calcium fluoride, CaF2.The number of neutrons depends on how much mineral you have.One molecule of CaF2 has one calcium atom with either 20, 22, 23, 24, 26 or 28 neutrons and two Fluorine atoms each of which has 10 neutrons.So at least 30 neutrons in one molecule.Each 30 grams of fluorite has an Avogadro number of molecules (6.02214 × 1023). so 100 grams of fluorite has about 6 * 1026 neutrons
The acid tells you wether or not te mineral contains lime. Drip any (strong) acid onto the mineral, and if it starts bubbling, the mineral contains lime. It's often used by people who have a fishtank, as rocks which contain lime are bad for most freshwater fish.
Sea water contains sodium chloride as its main mineral although it also contains several other minerals in minute amount relative to NaCl. When sea water evaporates the main precipitate left behind is that of NaCl (sodium chloride)
The mineral cassiterite is an ore of tin.
Fluorite is a mineral.
The mineral described is likely fluorite, which is a non-silicate mineral containing fluorine. When exposed to ultraviolet light, fluorite can exhibit fluorescence or glow due to the presence of impurities or crystal defects that interact with the light.
Fluorite is the mineral composed of calcium and fluorine.
The fourth mineral on Mohs' Scale of Hardness is fluorite. It has a hardness of 4 on the scale.
Fluorite is a fluorescent mineral.
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From a mineralogical perspective, fluorite is an evaporite mineral that contains one calcium ion and two fluorine ions. Calcium may also be substituted partially accounting for different colours of the mineral but it is usually purple.
Fluorite is a mineral, not a rock. It is a commonly occurring mineral that is composed of calcium and fluorine. Rocks are made up of one or more minerals.
Fluorite is unable to scratch feldspar, quartz, corundum, diamond, or any other mineral with a Mohs hardness greater than 4.
iodine
Fluorite
Fluorite is a mineral and should not be tasted as it can be harmful if ingested. It is not recommended to taste or consume any mineral specimens.