Physical Properties of Minerals Flashcards
This are naturally occurring, inorganic, solid element or
compound crystalline substance
MINERALS
Is the tendency of a mineral to break along certain planes
CLEAVAGE
Mineral’s weight compared to the weight of an equal volume of water
SPECIFIC GRAVITY
Color of the powder produced when the mineral is rubbed against an unglazed porcelain plate
STREAK
Minerals producing Violet - Azure Blue
COBALT - COPPER
If the mineral contains no planes of weakness, it will break along random directions called _______
FRACTURE
mineral’s resistance to scratching or abrasion
HARDNESS/SCRATCHABILITY
the characteristic that describes how the particles of a mineral hold together or resist separation
TENACITY
the amount of light depending on physical qualities of the surface or the degree of brightness of a mineral
LUSTER
Types of fracture
CONCHOIDAL, UNEVEN/IRREGULAR, SPLINTERY, HACKLY, EARTHY, SUBCONCHOIDAL
Types of Luster
METALLIC - CLASSY, METALLIC, PEARLY
NON-METALLIC - VITREOUS, GREASY,RESINOUS, ADAMANTINE, SILKY, PEARLY