Constituent
Name
Olivine
IMA name
Olivine group
Class
silicate mineral
Compound type
nesosilicate
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Chemical composition
Formula
Mg$_{1.9}$Fe$_{0.1}$SiO$_{4}$
Chemical formula
Mg1.9Fe0.1SiO4
Elemental formula
(Mg)0-2 (Mn)0-2 (Ni)0-2 (Fe2+)0-2 (Fe3+)0-2 (Si)1-2 (O)4-8
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
$Mg$ Magnesium element 0 - 2 constituent element main
$Mn$ Manganese element 0 - 2 constituent element main
$Ni$ Nickel element 0 - 2 constituent element main
$Fe^{2+}$ Iron(II) cation element 0 - 2 constituent element main
$Fe^{3+}$ Iron(III) cation element 0 - 2 constituent element main
$Si$ Silicon element 1 - 2 constituent element main
$O$ Oxygen element 4 - 8 constituent element main
Chemical functions
  Function Number
$(SiO_4)^{4-}$
Chemical bonds
  Bond Number
$\geq Si-O^-$ 4
Oxides
Formula $MgO$ $MnO$ $FeO$ $Fe_{2}O_{3}$ $NiO$ $SiO_{2}$
Mass fraction (%)

Strunz

Class
silicates (09)
Division
nesosilicate (09.A)
Family
Nesosilicates without additional anions; cations in octahedral [6] coordination (09.AC)
Code
09.AC.05

Dana

Major class
silicates (VIII)
Class
nesosilicate insular SiO4 groups only (51)
Type
with all cations in octahedral [6] coordination (51.03)
Group
Olivine group (51.03.01)
Phase type
crystalline
Crystal system
various
Crystal class
various
Crystal class symbol
various
Crystal spacegroup
various
Texture
monocrystalline
Sizes
Crystals Min Max Median Width Mass fraction Shape
#1 8.0 $mm$ None
Molar mass
140.69-351.71 $g/mol$
Density
3.21-4.6 $g/cm^3$
Refringence type
unknown
Refringence sign
unknown
Diaphaneity
transparent to opaque
Luster
various