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ringwoodite
Sign in to saveAlso known as IMA1968-036
thumb|Scanning electron microscope|SEM image of Ringwoodite (RGW) discovered in the Suizhou L6 [[chondrite meteorite. See image for details. ]]
In the Vinony graph
Within Vinony's link graph, ringwoodite is referenced by 37 other articles, and connects out to pascal, refractive index and silicate mineral.
It is catalogued under topics including Cubic minerals, High pressure science and Iron minerals.
Its subject is documented across 22 Wikipedia language editions.
Key facts
- Mineral.name
- Ringwoodite
- Mineral.image
- BlueRingwoodite.jpg
- Mineral.caption
- Crystal (~150 micrometers across) of Fo90 composition blue ringwoodite synthesized at 20 GPa and 1200 °C.
- Mineral.category
- Nesosilicates Spinel group
- Mineral.formula
- Magnesium silicate (Mg2SiO4)
- Mineral.IMAsymbol
- Rgd
- Mineral.strunz
- 9.AC.15
- Mineral.system
- Cubic
- Mineral.class
- Hexoctahedral (mm) H-M symbol: (4/m 2/m)
- Mineral.symmetry
- Fdm
- Mineral.unit cell
- a = 8.113 Å; Z = 8
- Mineral.colour
- Deep blue, also red, violet, or colourless (pure Mg2SiO4)
- Mineral.habit
- Microcrystalline aggregates
- Mineral.diaphaneity
- Semitransparent
- Mineral.gravity
- 3.90 (Mg2SiO4); 4.13 ((Mg0.91,Fe0.09)2SiO4); 4.85 (Fe2SiO4)
- Mineral.opticalprop
- Isotropic
- Mineral.refractive
- n = 1.8
- Mineral.birefringence
- none
via Wikipedia infobox
Wikidata facts
- Named after
- Ted Ringwood
- Image
- BlueRingwoodite.jpg
Show 8 more facts
- chemical formula
- SiMg₂O₄
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AC.15
- IMA Mineral Symbol
- Rwd
- Commons category
- Ringwoodite
- Nickel-Strunz 9th edition (updated 2009)
- 9.AC.15
- crystal system
- cubic crystal system
- type locality (geology)
- Tenham meteorite
- time of discovery or invention
- 1969-00-00
Sources (2)
via Wikidata · CC0
~7 min read
Encyclopedic overview
8 sectionsContents
- Characteristics
- Geological occurrences
- Synthetic
- Crystal structure
- Chemical composition
- Physical properties
- References
- External links
thumb|Scanning electron microscope|SEM image of Ringwoodite (RGW) discovered in the Suizhou L6 [[chondrite meteorite. See image for details. ]]
Ringwoodite is a high-pressure phase of Mg2SiO4 (magnesium silicate) formed at high temperatures and pressures of the Earth's mantle between depth. It may also contain iron and hydrogen. It is polymorphous with the olivine phase forsterite (a magnesium iron silicate).
Excerpted from Wikipedia’s “ringwoodite” article, available under the CC BY-SA 4.0 licence.