General Information:
Chemical Formula:Mg2SiO4
Composition:(Molecular Weight = 140.69 gm)Magnesium 34.55 %
MgSilicon 19.96 %
SiOxygen 45.49 %
O Empirical Formula: Mg2(SiO4)
Environment:Chondrite meteorites. Polymorph of forsterite and replaces ferroan forsterite grains.
IMA Status:Approved IMA 1969
Locality:Tenham, Austalia, chondrite.
Name Origin:Named for Alfred Edward Ringwood (1930-), petrologist, University of Canberra, Australia.
Physical Properties: Color:blue gray, colorless, light violet, purple, or smokey gray.
Density:3.9
Habits:Microscopic Crystals - Crystals visible only with microscopes., Anhedral Grains - Granular minerals without the expression of crystal shapes,
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