This mineral is magnetic, metallic, and has a grey to dark grey streak.

This mineral has 3 cleavages not at 90 (rhombohedral), hardness of 3.5 and fizzes with acid

THis mineral is very hard (7) can be found as hexagonal crystals but will fracture if broken. It comes in many colors (smoke, rose, orange, purple, white, colorless).

This mineral is the softest mineral (1) and has a soapy feel.

This mineral is light colored to transparent and has 1 cleavage and can peel into sheets.

This mineral is very soft (less than a fingernail 1.5-2), is metallic and has a very low density for being metallic. It will easily write on paper and has no cleavage.