Johannsenite R070521
Name: Johannsenite
RRUFF ID: R070521
Ideal Chemistry: CaMn2+Si2O6
Locality: Campiglia, near Siena, Tuscany, Italy
Source: James Shigley [view label]
Owner: RRUFF
Description: Radiating aggregates of flattened grayish-green prismatic crystals
Status: The identification of this mineral is not yet confirmed.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R070521
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
REFERENCES for Johannsenite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Johannsenite, a new manganese pyroxene (1938) Schaller W T, American Mineralogist, 23, 575-582   [view file]

Hutton C O (1956) Manganpyrosmalite, bustamite, ferroan johannsenite from Broken Hill, New South Wales, Australia, American Mineralogist, 41, 581-591   [view file]

Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550   [view file]

Nakano T (1991) An antipathetic relation between the hedenbergite and johannsenite components in skarn clinopyroxene from the Kagata tungsten deposit, central Japan, The Canadian Mineralogist, 29, 427-434   [view file]

Makreski P, Jovanovski G, Gajović A, Biljan T, Angelovski D, Jaćimović R (2006) Minerals from Macedonia. XVI. Vibrational spectra of some common appearing pyroxenes and pyroxenoids, Journal of Molecular Structure, 788, 102-114