-
Riebeckite is a sodium-rich
member of the
amphibole group of
silicate minerals,
chemical formula Na2(Fe2+3Fe3+2)Si8O22(OH)2. It
forms a
solid solution...
-
amphibole minerals are
commonly called asbestos.
These are: anthophyllite,
riebeckite, the ****mingtonite/grunerite series, and the actinolite/tremolite series...
- 2O 22(OH) 2
Sodium amphibole group Glaucophane – Na2Mg3Al2Si8O22(OH)2
Riebeckite (asbestos) – Na2FeII3FeIII2Si8O22(OH)2
Arfvedsonite – Na3(Fe,Mg)4FeSi8O22(OH)2...
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similarities with
alkali amphiboles such as arfvedsonite, glaucophane-
riebeckite.
There is
little solubility between these minerals due to
different crystal...
- (short for
minerals of the
columbite group)
Crocidolite (asbestiform
riebeckite)
Cymophane (variety of chrysoberyl)
Danalite Danburite Datolite Daubréeite...
- (var.)
Quartzite Realgar Rhodizite Rhodochrosite Rhodonite Richterite Riebeckite Crocidolite (var.)
Rosasite Rutile Samarskite Sanidine Sapphirine Sarcolite...
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described as peralkaline, and they
contain unusual sodium amphiboles such as
riebeckite.
Granites in
which there is an
excess of
aluminum beyond what can be taken...
- Russia. Its
mineral ****ociation
includes nepheline, albite, aegirine,
riebeckite,
katophorite and quartz.
Arfvedsonite was
discovered in 1823 and named...
-
rectangular prisms of the same mineral.
Sometimes granular augite or
spongy riebeckite occurs in the groundm****, but as a rule this part of the rock is highly...
- and marls. It
occurs in ****ociation with pot****ic feldspar, nepheline,
riebeckite, arfvedsonite, aenigmatite, astrophyllite, catapleiite, eudialyte, serandite...
