1. Based upon Physical properties

2.  A solid that has a structure arranged in orderly fixed patterns.

3.  Luster is the appearance of light reflected from the surface of a mineral.  Metallic Luster  Non metallic Luster.

4.  Although the most obvious, it is the least reliable way to identify a mineral.

5.  Streak is the color of a mineral in its powdered form by rubbing the mineral across a piece of unglazed porcelain.

6.  Most useful!  Hardness is the measure of the resistance of the mineral to abrasion.  Use the Moh’s Scale.

8.  Tendency of a mineral to break along a plane and produce a smooth surface.

9.  Minerals that do not cleave, fracture.

10.  Will it be attracted to a magnet?

11.  Taste- Halite is salty ( DO NOT TASTE IT!)  Texture- rough, smooth, oily, soapy (Talc is “soapy” feeling.  Chemical Reaction to hydrochloric acid. (Calcite).