|
POSSIBLE MINERALS | ||||
and SUBMETALLIC LUSTER |
|
HEMATITE, Fe2O3 | |||
MAGNETITE, Fe3O4 | |||||
PYRITE, FeS2 | |||||
METALLIC LUSTER - BUT NOT EARTHY |
Colored |
than Glass |
|
|
POTASSIUM FELDSPAR, KAlSi3O8 |
PLAGIOCLASE FELDSPAR, (Na,Ca)(Al,Si)4O8, Na>Ca | |||||
Cleavage |
|
OLIVINE, (Mg,Fe)2SiO4 | |||
QUARTZ, SiO2 | |||||
GARNET, (Mg,Fe,Ca)3Al2Si3O12 | |||||
than Glass |
|
|
CALCITE, CaCO3 | ||
DOLOMITE, CaMg(CO3)2 | |||||
MUSCOVITE, KAl2(AlSi3)O10(OH)2 | |||||
Colored |
than Glass |
Cleavage |
|
GARNET, (Fe,Mg,Ca)3Al2Si3O12 | |
QUARTZ, SiO2 | |||||
OLIVINE, (Mg,Fe)2SiO4 | |||||
|
|
HORNBLENDE, NaCa2(Mg,Fe,Al)5(Al,Si)8O22(OH)2 | |||
AUGITE, Ca(Mg,Fe)Si2O6 | |||||
PLAGIOCLASE FELDSPAR, (Ca,Na)(Al,Si)4O8, Ca>Na | |||||
EPIDOTE, Ca2FeAl2Si3O12(OH) | |||||
GARNET, (Fe,Mg,Ca)3Al2Si3O12 | |||||
than Glass |
|
|
BIOTITE, K(Fe,Mg)3AlSi3O10(OH)2 | ||
CHLORITE, (Mg,Fe)6Si4O10(OH)8 | |||||
CALCITE, CaCO3 | |||||
DOLOMITE, CaMg(CO3)2 | |||||
|
Colored |
|
CALCITE, CaCO3 | ||
DOLOMITE, CaMg(CO3)2 | |||||
Colored |
|
HEMATITE, Fe2O3 | |||
CALCITE, CaCO3 | |||||
DOLOMITE, CaMg(CO3)2 | |||||
What is the luster? [METALLIC or SUBMETALLIC] ---[NON-METALLIC but NOT EARTHY] ---[EARTHY]