Your sandpaper is graded according to the amount of abrasive particles (grit) per square inch. The six abrasive categories range from course to super fine and between them include medium, fine, very fine and extra fine. Your choices will depend on the finish you hope to achieve. These particles or categories consist of one of four minerals that make up sandpaper: aluminum oxide, garnet, ceramic (alumina zirconia) and silicon carbide.
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Sulfur is the yellow mineral that was used in the past to make gunpowder and is now mainly used to prepare sulfuric acid.
Sulfur is the mineral commonly used to make fire because it catches fire easily and burns with a blue flame, producing heat and light.
The primary ingredients are kaolin and petuntse (hard paste) or some other clays.
Phosphoric acid is used to make phosphate fertilizer and is also found in soft drinks.
Graphite is the mineral mixed with clay to make pencil lead. It provides the dark pigment needed for writing and drawing and is a popular choice for its smooth writing properties.
sand
SILICON
garnets The abrasive grain, the key part of coated abrasive products, may be either a natural or synthetic mineral. Due to their extreme hardness, natural minerals such as http://www.answers.com/topic/garnet, quartz or http://www.answers.com/topic/emery (corundum with iron impurities) have uses in sandpaper and grinding tools.
what mineral is used to make flouride toothpasteand pottery
Graphite is the mineral used in pencils.
GYPSUM is the main mineral in Drywall.
Sharkskin was originally used as Sandpaper. When modern manufacturing techniques came, sandpaper was mass produced.
Sandpaper is made with corundum because it is extremely hard (9 on the Moh's Scale of Hardness) compared to just about anything else, except diamond (which top the scale at 10). This "hardness" is basically the factor which determines what happens when scraped against another material. If the corundum in the sandpaper is harder than whatever you are rubbing it against, then it will scratch the surface. If the sandpaper is used on something harder than corundum, the sandpaper will not be able to leave abrasions. Corundum is used because there are very few materials which it will fail to scratch.
This mineral is hydroxyapatite.
The mineral is graphite.
Copper is used to make a blue firework!
Graphite is the mineral that is used to make pencil lead. It is a form of carbon that is known for its ability to make marks on paper.