What are the physical properties of apatite?
| Physical Properties of Apatite | |
|---|---|
| Chemical Classification | Phosphate |
| Mohs Hardness | 5 |
| Specific Gravity | 3.1 to 3.3 |
| Diagnostic Properties | Color, crystal form, and hardness. Brittle, often highly fractured. Can be scratched with a steel knife blade. |
What kind of mineral is apatite?
rock phosphate mineral
Apatite is identified by the chemical formula Ca5(PO4). It forms in hexagonal crystals and is a rock phosphate mineral. Apatite can exist in many different forms, along with other minerals, as long as the base of apatite calcium (Ca5) and phosphorous (PO4) exist together.
Is apatite soluble in water?
The solubility of apatite increased as the pH of water and the particle size of apatite crystals were decreased. The concentrations of dissolved ortho-PO4 3− increased in proportion to the amount of apatite added to water and apatite generally increased the pH of water at low slurry densities.
Is apatite a silicate mineral?
The crystal structure of non-silicate minerals (see table) does not contain silica-oxygen tetrahedra. Many non-silicate minerals are economically important and provide metallic resources such as copper, lead, and iron….3.5: Non-Silicate Minerals.
| Mineral Group | Phosphates |
|---|---|
| Examples | apatite |
| Formula | Ca5(PO4)3(F,Cl,OH) |
| Uses | Fertilizer, teeth, bones |
What is apatite mineral used for?
The primary use of apatite is as a source of phosphate in the manufacture of fertilizer and in other industrial uses.It is occasionally used as a gemstone.
What is Augite in mineral?
Augite is a rock-forming mineral of the pyroxene group commonly found within igneous and metamorphic rocks. Because its chemical structure is highly variable, augite might be considered by some to be its own group of minerals rather than an individual mineral.
Is apatite naturally blue?
Apatite is a group of phosphate minerals, usually referring to hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal….Apatite.
| Apatite group | |
|---|---|
| Pleochroism | Blue stones – strong, blue and yellow to colorless. Other colors are weak to very weak. |
| Dispersion | 0.013 |
What are the uses of the apatite mineral?
Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties. They are an important constituent of phosphorite, a rock mined for its phosphorus content and used to make fertilizers, acids, and chemicals.
What are apatite minerals used for?
As a mineral, apatite is chiefly used as a phosphorus source for the manufacture of fertilizers. One of the primary physical properties of apatite is that, in its mineral form, apatite is very stable and does not easily dissolve in a natural environment.
Is apatite metallic or nonmetallic?
Non-Metallic Minerals: A large number of non-metallic minerals are found in India, though only a few of these are important from the production point of view. Among the important non-metallic minerals are mica, sulphur, salt, dolomite, kyanite, sillimanite, gypsum, apatite, phosphate and steatite. Chat With Support
What is apatite used for?
As a mineral, apatite is chiefly used as a phosphorus source for the manufacture of fertilizers . Apatite mineral uses also extend to fluoridating water, and a protective coat of apatite on metals prevent it from rusting.