wila and fris. hardness; 10 used in industrial uses. ex; cutting and grinding applications. some...
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MineralsWilaAndFris
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Diamond Hardness; 10 Used in industrial uses. Ex; cutting
and grinding applications. Some diamonds don’t have a lot of
cleavage.
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Talc Hardness; 1 Ground Talc is used as an ingredient
in ceramics, paper, paint, roofing, plastics, cosmetics, talcum and baby powders.
It can easily be cut and crushed.
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Silicon or Silica Used in the aluminum industry to
improve castability and weldability. Second most common element in the
Earth’s crust. It is shiny, dark gray with a tint of
blue.
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Helium Very small and extremely light
gaseous element. There are no helium-bearing
minerals. It is odorless and tasteless.
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Nickel A silvery shiny, metallic element. Hardness; 4 Density; 8.908 g/cm
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Gallium Color; Silvery-white It has one of the longest liquid ranges
of any metal and has a low vapor pressure even at high temperatures.
Ultra-pure gallium has a silvery appearance.
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Graphite Hardness; 1 to 2 It is black and has a black streak. Useful in making led.
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Cobalt It is a radioactive metal. It is metallic gray. Density; 8.90 g/cm
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Mica Luster; Pearly and metallic Color; Dark brown, dark green, or
black. Hardness; 2.5-3
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Arsenic The element is a steel grey, very
brittle, crystalline, semi-metallic (metalloid) solid.
Color; Metallic gray Hardness; 3-4