1. Wila And Fris

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

3.  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.

4.  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.

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

6.  A silvery shiny, metallic element.  Hardness; 4  Density; 8.908 g/cm

7.  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.

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

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

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

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