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Bussyite-(Y)

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About Bussyite-(Y)Hide

09410710014946623185051.jpg
Antoine Alexandre Brutus Bussy
Formula:
(Y,REE,Ca)3(Na,Ca)6MnSi9Be5(O,OH,F)34
Colour:
Dark brown
Lustre:
Vitreous
Hardness:
4
Crystal System:
Monoclinic
Name:
Named after the French chemist Antoine Alexandre Brutus Bussy (1794–1882).
The Y analogue of bussyite-(Ce).


Classification of Bussyite-(Y)Hide

Approved
Approval Year:
2014
9.EA.

9 : SILICATES (Germanates)
E : Phyllosilicates
A : Single nets of tetrahedra with 4-, 5-, (6-), and 8-membered rings

Physical Properties of Bussyite-(Y)Hide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Dark brown
Streak:
White
Hardness:
Cleavage:
Perfect
{1-01}

Optical Data of Bussyite-(Y)Hide

Type:
Biaxial (-)
RI values:
nα = 1.581 - 1.585 nβ = 1.591 - 1.595 nγ = 1.558 - 1.602
2V:
Measured: 68° (2), Calculated: 79°
Max Birefringence:
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
Could not be observed
Pleochroism:
Non-pleochroic

Chemical Properties of Bussyite-(Y)Hide

Formula:
(Y,REE,Ca)3(Na,Ca)6MnSi9Be5(O,OH,F)34
IMA Formula:
(Y,REE,Ca)3(Na,Ca)6MnSi9Be5(O,F,OH)34

Crystallography of Bussyite-(Y)Hide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Setting:
C2
Cell Parameters:
a = 11.545(2) Å, b = 13.840(2) Å, c = 16.504(4) Å
β = 95.87(2)°
Ratio:
a:b:c = 0.834 : 1 : 1.192
Unit Cell V:
2623.1 ų
Z:
4
Morphology:
Blocky, prismatic to bladed crystals, sometimes radiating, up to 3 mm in size.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.049Å(100)
3.529Å(38)
3.155Å(23)
2.940Å(35)
2.840Å(50)
2.736Å(30)
2.651Å(38)
2.629Å(30)
Comments:
From Type Description.

Type Occurrence of Bussyite-(Y)Hide

General Appearance of Type Material:
Blocky to prismatic crystals up to 3 mm.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Canadian Museum of Nature, Ottawa, Ontario, Canada, catalogue number CMNMC 86870
Geological Setting of Type Material:
Alkaline pegmatite.
Associated Minerals at Type Locality:

Synonyms of Bussyite-(Y)Hide

Related Minerals - Nickel-Strunz GroupingHide

9.EA.05CuprorivaiteCaCuSi4O10Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
9.EA.05GillespiteBaFe2+Si4O10Tet.
9.EA.05EffenbergeriteBaCuSi4O10Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
9.EA.05WesselsiteSrCuSi4O10Tet.
9.EA.10EkaniteCa2ThSi8O20Tet. 4 2 2 : I4 2 2
9.EA.15Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mnc
9.EA.15Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2OTet.
9.EA.15Fluorapophyllite-(Na)NaCa4(Si8O20)F · 8H2OOrth.
9.EA.20MagadiiteNa2Si14O29 · 11H2OMon.
9.EA.25DalyiteK2ZrSi6O15Tric.
9.EA.25DavaniteK2TiSi6O15Tric.
9.EA.30Sazhinite-(Ce)Na2CeSi6O14•6H2OOrth. mm2 : Pmm2
9.EA.30Sazhinite-(La)Na3La[Si6O15] · 2H2OOrth. mm2 : Pmm2
9.EA.35ArmstrongiteCaZr[Si6O15] · 3H2OMon.
9.EA.40OkeniteCa10Si18O46 · 18H2OTric. 1 : P1
9.EA.45NekoiteCa3Si6O15·7H2OTric. 1 : P1
9.EA.50CavansiteCa(VO)Si4O10 · 4H2OOrth. mmm (2/m 2/m 2/m)
9.EA.55PentagoniteCa(VO)Si4O10 · 4H2OOrth. mm2
9.EA.60PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
9.EA.60TumchaiteNa2Zr(Si4O11) · 2H2OMon.
9.EA.65NabesiteNa2BeSi4O10 · 4H2OOrth. 2 2 2 : P21 21 21
9.EA.70Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2OTric.
9.EA.75ZeravshaniteNa2Cs4Zr3[Si18O45]*2H2OMon. 2/m : B2/b
9.EA.80Bussyite-(Ce)(Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4Mon. 2/m : B2/b
9.EA.85PlumbophyllitePb2Si4O10 · H2OOrth. mmm (2/m 2/m 2/m) : Pbcn

Fluorescence of Bussyite-(Y)Hide

No fluorescence in either short-wave or long-wave ultraviolet light

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Bussyite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grice, J.D., Rowe, R. and Poirier, G. (2014) Bussyite-(Y), IMA 2014-060. CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78, 1241-1248.
Grice, Joel, D., Rowe, R. and Poirier, G. (2015): Bussyite-(Y), a new beryllium silicate mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist. 53:235-248

Internet Links for Bussyite-(Y)Hide

Localities for Bussyite-(Y)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Grice, J.D., Rowe, R. and Poirier, G. (2014) Bussyite-(Y), IMA 2014-060. CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78, 1241-1248.; Grice, Joel, D., Rowe, R. and Poirier, G. (2015): Bussyite-(Y), a new beryllium silicate mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist. 53:235-248
 
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