Clinochlore [ Mg5Al(AlSi3O10)(OH)8 ]

Image of Clinochlore

Material properties

Formulas Mg5Al(AlSi3O10)(OH)8, (Mg,FeII)5Al(AlSi3O10)(OH)8
Abbreviation Clc
IMA Status Grandfathered (pre-IMA), 1851
Crystal symmetry Monoclinic
Classifications Minerals containing OH, Chlorite (group)
Variant Fe
Luminescence emitters Fe, Mn
Reflectance line Si-O
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Aluminosilicate, Hydroxide, Mineral

Composition

Element Atoms
Al 2
O 18
Si 3
H 8
Mg 5
Total: 36

References for Clinochlore

Reference
Lines Spectra Images
Kuznetsov et al. 1991 2 0 0
Laukamp et al. 2021 1 0 0

Specimens of Clinochlore

Name Owner Materials Phase purity Image Spectra Techniques
NR-CHL-136 Chlorite CSIRO Clinochlore (var. Fe) (99.6%), Quartz 99.6 0 —
MT8306 Clinochlore CSIRO Cerussite, Clinochlore (var. Fe) (94.0%), Clinochlore (94.0%) 94.0 0 —
130 Uvarovite CSIRO Chromite, Clinochlore (18.5%), Kaolinite, Lizardite-1T, Uvarovite 18.5 0 —
M1855 Chalcopyrite CSIRO Chalcopyrite, Clinochlore (var. Fe) (9.4%), Fluorite, Jarosite, Pyrite, Quartz 9.4 0 —
M0298 Chalcocite CSIRO Bornite, Chalcocite (var. low), Chalcocite-Digenite Group, Chalcopyrite, Clinochlore (var. Fe) (6.3%), Djurleite 6.3 0 —
M1413 Garnet CSIRO Almandine, Clinochlore (var. Fe) (5.2%), Grossular, Ilmenite, Muscovite-1M, Quartz 5.2 0 —
MT8330 Epidote CSIRO Clinochlore (var. Fe) (3.7%), Epidote, Quartz, Titanite 3.7 0 —
MCU-EPI-1 Epidote CSIRO Albite, Clinochlore (var. Fe) (2.2%), Epidote, Magnetite, Quartz 2.2 2 Reflectance
193 Fuchsite CSIRO Calcite, Clinochlore (var. Fe) (2.0%), Dolomite, Fuchsite, Muscovite-2M1 (var. Cr), Pyrite, Quartz 2.0 0 —
TS01 Talc CSIRO Clinochlore (var. Fe) (2.0%), Corundum, Talc 2.0 1 Reflectance
Erwan2 Biotite CSIRO Albite (var. Ca), Biotite, Biotite-1M, Clinochlore (var. Fe) (1.8%), Quartz 1.8 0 —
MES013 Paragonite CSIRO Clinochlore (var. Fe) (1.8%), Grossular (var. Fe3+), Muscovite-2M1, Paragonite-2M1, Phlogopite-2M1, Quartz 1.8 0 —
M0656 Cuprite CSIRO Clinochlore (var. Fe) (1.5%), Cuprite, Fluorite, Goethite, Hematite, Malachite, Quartz 1.5 0 —
MES177 Actinolite NVCL, AuScope Limited Actinolite, Clinochlore (var. Fe) (1.4%), Quartz, Tremolite 1.4 2 Reflectance
M1850 Eucryptite CSIRO Clinochlore (var. Fe) (1.0%), Cookeite, Eucryptite, Kaolinite (var. poorly crystalline), Quartz 1.0 1 Reflectance
M1873 Chalcopyrite CSIRO Chalcopyrite, Clinochlore (var. Fe) (1.0%), Jarosite 1.0 0 —
M2843 Eucryptite CSIRO Clinochlore (var. Fe) (1.0%), Cookeite, Eucryptite, Kaolinite (var. poorly crystalline), Prehnite, Quartz 1.0 1 Reflectance
MES199 Talc CSIRO Clinochlore (var. Fe) (1.0%), Talc 1.0 1 Reflectance
NR-Act-01 Talc CSIRO Albite, Clinochlore (var. Fe) (1.0%), Hematite, Muscovite-2M1, Quartz, Talc, Tremolite 1.0 0 —
NR162 Diopside CSIRO Clinochlore (var. Fe) (1.0%), Diopside 1.0 2 Reflectance
NR-ACT-02 Actinolite CSIRO Actinolite, Clinochlore (var. Fe) (0.4%), Magnetite, Quartz, Tremolite 0.4 2 Reflectance