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Billwiseite

A valid IMA mineral species

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Photos of Billwiseite (2)

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Billwiseite

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

Billwiseite, etc.

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

Billwiseite

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

Billwiseite, etc.

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

Billwiseite

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

Billwiseite, etc.

Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

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About BillwiseiteHide

Bill Wise collecting at a barium silicate deposit in Fresno County

Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Formula:

Sb³⁺₅Nb₃WO₁₈

Colour:

Pale yellow (with a tinge of green),

Lustre:

Vitreous

Hardness:

Specific Gravity:

6.330 (Calculated)

Crystal System:

Monoclinic

Name:

Named in honor of William Stewart Wise (b. 18 August 1933, Carson City, Nevada, USA; d. 29 June 2021, Santa Barbara, California, USA), Emeritus Professor of Geology, University of California at Santa Barbara, USA. Named in recognition of his contribution to mineralogy and his inspiration and mentoring of mineralogy students at UCSB. He was inducted into the Micromounter's Hall of Fame in 1987. He described/co-described 12 minerals.

Type Locality:

ⓘ Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

At the type locality, billwiseite can be partly mantled by B-rich muscovite.

Unique IdentifiersHide

Mindat ID:

43328

Long-form identifier:

mindat:1:1:43328:6

GUID
(UUID V4):

6f4cf42f-6452-46b5-8534-ec654e94439d

IMA Classification of BillwiseiteHide

IMA status:

Approved

Approval year:

2010

First published:

2012

Type description reference:

Hawthorne, F. C., Cooper, M. A., Ball, N. A., Abdu, Y. A., Cerny, P., Camara, F., Laurs, B. M. (2012) Billwiseite, ideally Sb³⁺₅(Nb,Ta)₃WO₁₈, a new oxide mineral species from the Stak Nala pegmatite, Nanga Parbat - Haramosh Massif, Pakistan: description and crystal structure. The Canadian Mineralogist, 50 (4) 805-814 doi:10.3749/canmin.50.4.805

Classification of BillwiseiteHide

Strunz-mindat (2024):

4.DE.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
E : With medium-sized cations; with various polyhedra

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Bwi	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of BillwiseiteHide

Lustre:

Vitreous

Colour:

Pale yellow (with a tinge of green),

Streak:

Colorless to very pale-yellow

Hardness:

5 on Mohs scale

Tenacity:

Brittle

Cleavage:

Poor/Indistinct
{100}

Fracture:

Hackly

Density:

6.330 g/cm³ (Calculated)

Chemistry of BillwiseiteHide

Mindat Formula:

Sb³⁺₅Nb₃WO₁₈

Elements listed:

Nb, O, Sb, W - search for minerals with similar chemistry

Crystallography of BillwiseiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 54.206(6) Å, b = 4.9163(5) Å, c = 5.5540(6) Å
β = 90.396(2)°

Ratio:

a:b:c = 11.026 : 1 : 1.13

Unit Cell V:

1475.5 Å³

Morphology:

Euhedral crystals with a maximum size of ∽ 0.5 × 0.25 × 0.15 mm showing the following forms: {100} pinacoid ≈ {011} pinacoid ≈ {410} prism.

Twinning:

Contact twins on (100) are common

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0019765	Billwiseite	Hawthorne F C, Cooper M A, Ball N A, Abdu Y A, Cerny P, Camara F, Laurs B M (2012) Billwiseite, ideally Sb3+5(Nb,Ta)3WO18, a new oxide mineral species from the Stak Nala Pegmatite, Nanga Parbat - Haramosh Massif, Pakistan: description and crystal structure The Canadian Mineralogist 50 805-814		2012	the Stak Nala Pegmatite, Nanga Parbat - Haramosh Massif, Pakistan	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Billwiseite'
loop_
_publ_author_name
'Hawthorne F C'
'Cooper M A'
'Ball N A'
'Abdu Y A'
'Cerny P'
'Camara F'
'Laurs B M'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 50 
_journal_year 2012
_journal_page_first 805
_journal_page_last 814
_publ_section_title
;
 Billwiseite, ideally Sb3+5(Nb,Ta)3WO18, a new oxide mineral species
 from the Stak Nala Pegmatite, Nanga Parbat - Haramosh Massif, Pakistan:
 description and crystal structure
;
_database_code_amcsd 0019765
_chemical_compound_source 'the Stak Nala Pegmatite, Nanga Parbat - Haramosh Massif, Pakistan'
_chemical_formula_sum 'Sb5 (Nb1.32 Ta1.28 Ti.16 W1.24) O18'
_cell_length_a 54.116
_cell_length_b 4.9143
_cell_length_c 5.5482
_cell_angle_alpha 90
_cell_angle_beta 90.425
_cell_angle_gamma 90
_cell_volume 1475.460
_exptl_crystal_density_diffrn      6.692
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Sb1   0.00000   0.19830   0.75000   1.00000   0.01390
Sb2   0.22152  -0.20656   0.32554   1.00000   0.01320
Sb3   0.10997   0.29999   0.72606   1.00000   0.01290
NbM1   0.05480   0.25442   0.13172   0.33000   0.00840
TaM1   0.05480   0.25442   0.13172   0.32000   0.00840
TiM1   0.05480   0.25442   0.13172   0.04000   0.00840
WM1   0.05480   0.25442   0.13172   0.31000   0.00840
NbM2   0.16463   0.23919   0.37332   0.33000   0.00750
TaM2   0.16463   0.23919   0.37332   0.32000   0.00750
TiM2   0.16463   0.23919   0.37332   0.04000   0.00750
WM2   0.16463   0.23919   0.37332   0.31000   0.00750
O1   0.12890   0.41300   0.40890   1.00000   0.01200
O2   0.02086   0.08700   0.08670   1.00000   0.01100
O3   0.06472   0.01300   0.36650   1.00000   0.01300
O4   0.23860   0.06800   0.12630   1.00000   0.01200
O5   0.08747   0.41300   0.07940   1.00000   0.01000
O6   0.15095   0.03560   0.66760   1.00000   0.01100
O7   0.19594   0.08500   0.42440   1.00000   0.01300
O8   0.17287   0.52100   0.63110   1.00000   0.01600
O9   0.04268   0.47700   0.83720   1.00000   0.01300
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Sb1 0.01150 0.00870 0.02140 0.00000 0.00620 0.00000
Sb2 0.01610 0.01030 0.01330 -0.00560 0.00350 -0.00120
Sb3 0.01260 0.00960 0.01630 -0.00350 -0.00490 0.00140
NbM1 0.00600 0.00740 0.01160 -0.00060 0.00030 -0.00030
TaM1 0.00600 0.00740 0.01160 -0.00060 0.00030 -0.00030
TiM1 0.00600 0.00740 0.01160 -0.00060 0.00030 -0.00030
WM1 0.00600 0.00740 0.01160 -0.00060 0.00030 -0.00030
NbM2 0.00620 0.00690 0.00930 0.00070 -0.00038 0.00030
TaM2 0.00620 0.00690 0.00930 0.00070 -0.00038 0.00030
TiM2 0.00620 0.00690 0.00930 0.00070 -0.00038 0.00030
WM2 0.00620 0.00690 0.00930 0.00070 -0.00038 0.00030
O1 0.00200 0.01300 0.02000 0.00100 -0.00200 0.00100
O2 0.00500 0.01400 0.01500 -0.00200 -0.00200 -0.00200
O3 0.00800 0.01300 0.01700 0.00000 0.00200 0.01000
O4 0.00500 0.01700 0.01300 -0.00600 -0.00400 0.00100
O5 0.00600 0.00800 0.01500 -0.00500 0.00200 0.00200
O6 0.01100 0.00600 0.01700 0.00000 -0.00300 0.00200
O7 0.01200 0.01200 0.01500 0.00100 0.00100 -0.00200
O8 0.01200 0.01600 0.02000 0.00000 -0.00200 -0.00600
O9 0.00800 0.01700 0.01500 0.00200 -0.00200 0.00700

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.500 Å	(51)
3.154 Å	(90)
3.017 Å	(100)
2.462 Å	(23)
1.906 Å	(47)
1.828 Å	(30)
1.735 Å	(30)
1.662 Å	(53)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of BillwiseiteHide

Type Locality:

ⓘ Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan

General Appearance of Type Material:

Found on the surface of a large (∽5 × 2.5 × 1.3 cm) crystal of lepidolite from a miarolitic cavity.

Place of Conservation of Type Material:

Type material is deposited in the collections of the Department of Natural History, Royal Ontario Museum, Toronto, Canada, catalogue number M55951.

Geological Setting of Type Material:

Granitic pegmatite

Associated Minerals at Type Locality:

Tourmaline	Topaz	Quartz	Muscovite	Lepidolite
K Feldspar	Fluorite	Albite

Reference:

Hawthorne, F.C., Cooper, M.A., Ball, N.A., Abdu, Y.A., Černý, P., Cámara, F., Laurs, B.M. (2012) Billwiseite, ideally Sb3+5Nb3WO18, a new oxide mineral species from the Stak Nala pegmatite, Nanga Parba – Haramosh massif, Pakistan: description and crystal structure. Canadian Mineralogist: 50: 805-814.

Download:

http://rruff.info/rruff_1.0/uploads/CM50_805.pdf

Synonyms of BillwiseiteHide

IMA2010-053

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Billwiseite associated with Muscovite

KAl₂(AlSi₃O₁₀)(OH)₂

Related Minerals - Strunz-mindat Grouping Hide

4.DE.	Ziroite	ZrO₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/nmc
4.DE.	Pertoldite	GeO₂	Trig. 3 2
4.DE.	Colchesterite	Bi³⁺₂Mo⁶⁺₂O₉	Mon. 2/m
4.DE.05	Downeyite	SeO₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mbc
4.DE.10	Koragoite	(Mn²⁺,Fe³⁺)₃(Nb,Ta,Ti)₂(Nb,Mn)₂(W,Ta)₂O₂₀	Mon. 2 : P2₁
4.DE.15	Koechlinite	Bi₂MoO₆	Orth. mm2 : Pna2₁
4.DE.15	Russellite	Bi₂WO₆	Orth. mm2 : Pca2₁
4.DE.15	Tungstibite	Sb³⁺₂WO₆	Orth. 2 2 2
4.DE.20	Tellurite	TeO₂	Orth. mmm (2/m 2/m 2/m) : Pbca
4.DE.25	Paratellurite	TeO₂	Tet. 4 2 2
4.DE.30	Bismutotantalite	Bi(Ta,Nb)O₄	Orth.
4.DE.30	Bismutocolumbite	Bi(Nb,Ta)O₄	Orth. mmm (2/m 2/m 2/m)
4.DE.30	Cervantite	Sb³⁺Sb⁵⁺O₄	Orth. mm2
4.DE.30	Stibiotantalite	Sb(Ta,Nb)O₄	Orth. mm2
4.DE.30	Stibiocolumbite	Sb(Nb,Ta)O₄	Orth. mm2
4.DE.30	Clinocervantite	Sb³⁺Sb⁵⁺O₄	Mon. 2/m : B2/b
4.DE.35	Baddeleyite	ZrO₂	Mon. 2/m : P2₁/b
4.DE.45	Kyawthuite	Bi³⁺Sb⁵⁺O₄	Mon. 2/m

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.

Internet Links for BillwiseiteHide

mindat.org URL:

https://www.mindat.org/min-43328.html
Please feel free to link to this page.

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External Links:

Look for Billwiseite on Webmineral

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for BillwiseiteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011. CNMNC Newsletter No 9. Mineralogical Magazine, 75 (4) 2535-2540 doi:10.1180/minmag.2011.075.4.2535

(2023) Billwiseite. Handbook of Mineralogy. Mineralogical Society of America

Localities for BillwiseiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Pakistan (TL)
Gilgit-Baltistan Roundu District Haramosh Mts. ⓘ Stak Nala (TL)	Williams et al. (2011) +1 other reference
ⓘ Skardu Area	imported from Rondu District +1 other reference

Billwiseite

About BillwiseiteHide

Unique IdentifiersHide

IMA Classification of BillwiseiteHide

Classification of BillwiseiteHide

Mineral SymbolsHide

Physical Properties of BillwiseiteHide

Chemistry of BillwiseiteHide

Crystallography of BillwiseiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of BillwiseiteHide

Synonyms of BillwiseiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for BillwiseiteHide

References for BillwiseiteHide

Localities for BillwiseiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide