Constituent
Name
Pyrope
IMA name
Garnet group
Class
silicate mineral
Compound type
nesosilicate
Comments
Magnisium end member of the garnet group minerals
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Formula
A3B2(SiO4)3      where A=Ca,Mg,Fe2+, and/or Mn    and B=Al,Cr, and/or Fe3+
Chemical formula
A3B2(SiO4)3
Elemental formula
(Ca)0-3 (Fe2+)0-3 (Mg2+)0-3 (Mn2+)0-3 (Al)0-2 (Cr)0-2 (Fe3+)0-2 Si3 O12
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
Ca Calcium element 0 - 3 constituent element main
Fe2+ Iron(II) cation element 0 - 3 constituent element main
Mg2+ Magnesium(II) cation element 0 - 3 constituent element main
Mn2+ Manganese(II) cation element 0 - 3 constituent element main
Al Aluminium element 0 - 2 constituent element main
Cr Chromium element 0 - 2 constituent element main
Fe3+ Iron(III) cation element 0 - 2 constituent element main
Si Silicon element 3 constituent element main
O Oxygen element 12 constituent element main

Strunz

Class
silicates (09)
Division
nesosilicate (09.A)
Family
without additional anions (09.AD)

Dana

Major class
silicates (VIII)
Class
nesosilicate insular SiO4 groups only (51)
Type
with cations in [6] and >[6] coordination (51.04)
Group
N/A (N/A)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Texture
monocrystalline
Refringence type
isotropic
Birefringence
no
Color
various
Diaphaneity
various
Luster
various