Bertrandite R110025

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Record 2 of 2  


Name: Bertrandite
RRUFF ID: R110025
Ideal Chemistry: Be4Si2O7(OH)2
Locality: Foote mine, Kings Mountain, North Carolina, USA
Source: [view label]
Owner: RRUFF
Description: Colorless bladed crystals associated with lithiophilite R100096
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Bertrandite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110025
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110025.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.757(5)Å    b: 15.058(6)Å    c: 4.555(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 600.6(2)Å3    Crystal System: orthorhombic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Bertrandite

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]

Damour A A (1883) Note et analyse sur le nouveau miné des environs de Nantes, Bulletin de la Société Minéralogique de France, 6, 252-254   [view file]

Solov'eva L P, Belov N V (1965) Precise determination of the crystal structure of bertrandite Be4[Si2O7](OH)2, Soviet Physics - Crystallography, 9, 458-460   [view file]

Morgan W C, (1967) Genthelvite and bertrandite from the Cairngorm Mountains, Scotland, Mineralogical Magazine, 36, 60-63   [view file]

Hazen R M, Au A Y (1986) High-pressure crystal chemistry of phenakite (Be2SiO4) and bertrandite (Be4Si2O7(OH)2), Physics and Chemistry of Minerals, 13, 69-78

Hofmeister A M, Hoering T C, Virgo D (1987) Vibrational spectroscopy of of beryllium aluminosilicates: heat capacity calculations from band assignments, Physics and Chemistry of Minerals, 14, 205-224

Giuseppetti G, Tadini C, Mattioli V (1992) Bertrandite: Be4Si2O7(OH)2, from Val Vigezzo (NO) Italy: the X-ray structural refinement, Neues Jahrbuch für Mineralogie, Monatshefte, 1992, 13-19

Uher P, Ozdín D, Bačík P, Števko M, Ondrejka M, Rybnikova O, Chládek S, Fridrichová J, Pršek J, Puškelová L (2022) Phenakite and bertrandite: products of post-magmatic alteration of beryl in granitic pegmatites (Tatric Superunit, Western Carpathians, Slovakia), Mineralogical Magazine, 86, 715-729