Mineral Properties 2016
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Transcript of Mineral Properties 2016
Properties of minerals
halite
biotiteclay mineralsolivine
pyrite
Physical properties of minerals
colour
lustre
hardness
streak
cleavage
quartz
hematite
muscovite
talcfeldspar
habit
density
tenacity
pyrite
Physical properties of minerals
cubic
colour
lustre
hardness
streak
cleavage
HABIT
Aragonite
Hexagonal density
tenacity
Physical properties of minerals
reddish streakSTREAK
hematite
colour
lustre
hardness
cleavage
habit
density
tenacity
feldspar halite
biotiteclay mineralsolivine
pyrite
Physical properties of minerals
white or pink
white or yellowish
different colours black
white ortransparent
different colours
olive green
brassy yellow COLOUR
quartz
muscovitelustre
hardness
streak
cleavage
habit
Physical properties of minerals
dull to glassy
LUSTRE
waxy
metallic
glassy
talcfeldspar
pyrite
quartz
colour
hardness
streak
cleavage
habit
Mechanical properties of minerals
MOHS SCALE
hardness 7
hardness 6
hardness 7
hardness 2.5HARDNESS
feldspar halite
olivine quartz
colour
lustre
streak
cleavage
habit
density
tenacity
Mohs scale
talcgypsum
1
2
3
4
5
67
8
9
10
calcite
fluorite
apatite
orthoclasequartz
topaz
corundum
diamond
Can be scratched with a fingernail
Can be scratched with a knife
Can be scratched with a piece of glass
Can scratch glass
muscovite
Mechanical properties of minerals
CLEAVAGE
Mica cleaves in sheets.colour
lustre
hardness
streak
habit
density
tenacity
Mechanical properties of minerals
TENACITY
DESCRIBES HOW EASY A MINERAL BREAKScolour
lustre
hardness
streak
habit
density
cleavage
Other properties of minerals
density
DENSITY = MASS · VOLUME Units: (g/cm3)
colour
lustre
hardness
streak
habit
tenacity
cleavage