Important Update News

The RRUFF Project (rruff.info) is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional.

We are grateful to NASA for the funding of this effort.

Davisite R130013

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 18 of 81  

Name: Davisite
RRUFF ID: R130013
Ideal Chemistry: CaScAlSiO6
Locality: Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
Source: Chi Ma
Owner: Chi Ma
Description: Micro-sized crystals along with perovskite and spinel. Transparent with a light-gray color. Data from Ma & Rossman (2009)
Status: The identification of this mineral is confirmed by electron back-scatter diffraction and chemical analysis
Mineral Group: [ pyroxene (81) ]
CHEMISTRY 
RRUFF ID: R130013.2
Sample Description: Polished microprobe sample
Measured Chemistry: Ca0.99(Sc0.50Ti3+0.16Mg0.16Ti4+0.10 Zr0.04V3+0.02Fe2+0.01Y0.01)Σ=1.00(Si1.03Al0.97)Σ=2.00O6
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R130013
Wavelength:
Sample Description: Unoriented Raman
Instrument settings: Renishaw M1000 514nm @ 100% of 50mW
REFERENCES for Davisite

American Mineralogist Crystal Structure Database Record: [view record]

Ohashi H, Ii N (1978) Structure of calcium scandium aluminum silicate (CaScAlSiO6)-pyroxene, Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 73, 267-273   [view file]

Williams P A, Hatert F, Pasero M (2008) New minerals approved in 2008, in International Mineralogical Association 1-13   [view file]

Ma C, Rossman G R (2009) Davisite, CaScAlSiO6, a new pyroxene from the Allende meteorite, American Mineralogist, 94, 845-848   [view file]