Wila And Fris

 Hardness; 10  Used in industrial uses. Ex; cutting and grinding applications.  Some diamonds don’t have a lot of cleavage.

 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.

 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.

 Very small and extremely light gaseous element.  There are no helium-bearing minerals.  It is odorless and tasteless.

 A silvery shiny, metallic element.  Hardness; 4  Density; g/cm

 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.

 Hardness; 1 to 2  It is black and has a black streak.  Useful in making led.

 It is a radioactive metal.  It is metallic gray.  Density; 8.90 g/cm

 Luster; Pearly and metallic  Color; Dark brown, dark green, or black.  Hardness; 2.5-3

 The element is a steel grey, very brittle, crystalline, semi-metallic (metalloid) solid.  Color; Metallic gray  Hardness; 3-4