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Ringwoodite from
Juína, Mato Grosso, Brazil


Locality type:Municipality
Classification
Species:Ringwoodite
Formula:(Mg,Fe2+)2SiO4
Comments:Found as a ~40um inclusion in a 0.09g diamond from alluvial deposits downstream of kimberlite pipe Aripuana-01. Identified using single-crystal X-ray diffraction together with micro-Raman spectrometry.
Colour:green
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Extremely Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Raman Spectroscopy
Data
Mineral Data:Click here to view Ringwoodite data
Locality Data:Click here to view Juína, Mato Grosso, Brazil
Data Identifiers
Mindat Occurrence Record ID:940482
Long-form Identifier:1:3:940482:3
GUID (UUID V4):0
References
Pearson, D.G. et al. "Hydrous mantle transition zone indicated by ringwoodite included within diamond" letter to Nature
Nature 507, 221–224 (13 March 2014)
 
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