Name_____________________________________________ Period ________ Properties of Minerals: Power Point Notes What is a Mineral? List the five common characteristics. 1. 2. 4. 5. 3. Major Characteristic Properties: COLOR: the _________________ ________________ of the mineral The same mineral can be _______________ colors. Exposure to ______________ or _______________ can change a mineral’s color LUSTER: the way a mineral ____________ _____________ from the surface Examples: (List) STREAK: ___________ left from rubbing a mineral across a __________ _________ Minerals can leave a different ____________ streak than they appear to the eye Shows a mineral’s __________ ___________ CLEAVAGE: the ability of a mineral to break along ______________ _____________ Examples: mica, halite (salt), calcite FRACTURE: to break along _____________ or ________________ surfaces Three kinds: 1. ___________________________________________ 2. ___________________________________________ 3. ___________________________________________ CRYSTAL STRUCTURE: Atoms in a mineral line up in a _______________ ____________ Classified by the number of ___________ or sides and the ____________ at which the faces meet Examples: Halite = ___________ (isometric) (Know “cubic” for test) ___________ = hexagonal HARDNESS: is the _____________________ to being scratched can be measured using a ____________ test can be measured using ___________ Hardness scale, which compares how minerals scratch each other Know the hardness for talc _______, quartz _______, and diamond _______ DENSITY: how much _____________ is in a given ______________ *Density stays the same no matter what the volume. Formula: Density = __________ divided by ____________ SPECIAL PROPERTIES: Magnetic: _________________________________ Radioactive: _______________________________ Reacts: ___________________________________ Glows: ____________________________________ Salty: _____________________________________ Bends light: ________________________________ Bad smell: _________________________________