Mineral chemical composition


Mineral/chemical composition


Albite NaAlSi3O8

Sodium Plagioclase feldspar.

Magmatic and pegmatitic rocks.

Manasseite Mg6Al2(CO3)(OH)16∙4(H2O)

In iron ore skarns.

Anatase TiO2

Derived from other Ti-bearing minerals. Common as a detrital mineral

Microcline KAlSi3O8

Granitic gmatites

hydrothermal and, metamorphic rocks.

Artroeite PbAlF3(OH)2

In a quartz-lined vug

Montmorillonite NaCaAl2Si4O10(OH)2(H2O)10

Absorbing water and expanding.

Augite-a pyroxene (Ca, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6

Ferromagnesian silicate. Basic igneous and metamorphic rocks.

Mullite Al6Si2O13

Remelted Tertiary-aged clays.

Biotite-Black mica K(MgFe2+)3AlSi3O10(OH, F)2

Granitic rocks. Forms a series with phlogopite.

Muscovite KAl2(Si3Al)O10(OH, F)2

Granites and pegmatites.

Calcite CaCo3

Found in all kind of rocks

Nontronite Na(Fe3+)2Si3AlO10(OH)2∙4(H2O)

It is the iron(III) rich

member of the smectite

group of clay meminerals.

Clinochlore (MgFe2+)5Si3Al2O10(OH)8

Alteration mineral. Metamorphic rock.

Pargasite NaCa2Mg3(Fe2+)Si6Al3O22(OH)2

A complex inosilicate mineral of the amphibole group.

Diopside CaMg(Si2O6)

Basic and ultrabasic igneous and metamorphic rocks.

Quartz (SiO2)

It is a component of almost every rock type.

Ferroactinolite Ca2(Fe2+)5(Si8O22)(OH)2

Prismatic crystals of ferro-actinolite showing terminal crystal faces

Riebeckite Na2(Fe2+)3(Fe3+)2(Si8O22)(OH)2

A sodium-rich member of the amphibole group of silicate mine.

Fluorite CaF2

Low temperature vein deposits.



Amygdaloidal cavities in basalts.



Sedimentary evaporite deposits

Zaherite Al12(SO4)5(OH)26∙20(H2O)

In a massive kaolinite-boehmite rock.



Secondary mineral derived from the weathering of alumino-silicate minerals.

Zircon ZrSiO4

Zircon is a mineral (group of nesosilicates).



Common mineral in igneous, metamorphic rocks, known as lodestone