Alstonite R090049

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Record 2 of 3  


Name: Alstonite
RRUFF ID: R090049
Ideal Chemistry: BaCa(CO3)2
Locality: Admiralty flats, Haggs mine, Nentsberry, Cumbria, England
Source: Bob Jenkins
Owner: RRUFF
Description: Clusters of colorless pyramidal crystals. We have posted cell parameters that match those in the literature, but do not represent the correct cell. The crystals are twinned.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Alstonite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090049
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R090049.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 30.231(3)Å    b: 17.459(2)Å    c: 6.1242(7)Å
alpha: 89.888(3)°    beta: 89.982(3)°    gamma: 89.972(3)°   Volume: 3232.4(9)    Crystal System: triclinic
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REFERENCES for Alstonite

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]

Breithaupt J F A (1841) Holoëdrites syntheticus oder alstonit, Vollständiges Handbuch der Mineralogie, 2, 255-256   [view file]

Sartori F (1975) New data on alstonite, Lithos, 8, 199-207

Roberts A C (1978) Mineralogical study of an unnamed barium calcium carbonate from the Cave-in-Rock district, Illinois, Geological Survey of Canada Paper, 78-1C, 49-52   [view file]

Roberts A C (1979) Paralstonite: A new mineral from the Minerva No. 1 mine, Cave-in-Rock, Illinois, Geological Survey of Canada Paper, 79-1C, 99-100   [view file]

Young B, Greenbank L, Nancarrow P H A (1990) Alstonite in situ at Brownley Hill mine, Nenthead, Cumbria, Mineralogical Magazine, 54, 515-516   [view file]