biotite mica and muscovite mica

. What physical feature most distinguishes biotite mica from muscovite mica? __________________________

 

. Name a mineral that exhibits the physical properties listed below. (use the Photos in the upload, if needed)

PROPERTY: MINERAL:

One direction of cleavage: ________________________

Striations: ________________________

Multiple Colors: __________________

Cubic cleavage: ______________________

Nonmetallic, vitreous luster: ______________________

Fracture: _____________________

Metallic luster: _____________________

 

The Study of Minerals

 

What term is used to describe the shape of a mineral that has three directions of cleavage that intersect at 90-degree angels? _______________________________

 

3. Describe the cleavage fo the minerals listed below. include the number of directions and degrees of cleavage angles (if appropriate).

MINERAL: CLEAVAGE:

Muscovite: _____________________

Calcite: _______________________

Halite: ______________________

Feldspar: _____________________

The Study of Minerals

The Study of Minerals

Name the physical property (hardness, color, streak, etc.) described by each of the following statements.

DESCRIPTION: PHYSICAL PROPERTY:

Breaks along smooth planes: ___________________________________

Scratches glass: _______________________________________

Shines like metal: __________________________________

Scratching produces a red powder: _____________________________

Looks like broken glass: ______________________________