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Boromuscovite

A valid IMA mineral species

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Photos of Boromuscovite (9)

Boromuscovite Gallery Search Photos of Boromuscovite

Edit Add Synonym Edit CIF structures Clear Cache

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Boromuscovite, etc.

Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

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About BoromuscoviteHide

Formula:

KAl₂(BSi₃O₁₀)(OH)₂

Colour:

White

Lustre:

Vitreous, Dull

Hardness:

2½ - 3

Specific Gravity:

2.81

Crystal System:

Monoclinic

Member of:

Dioctahedral mica Group > Mica Group

Name:

Named in allusion to its compostion, containing Boron, and its relationship to Muscovite.

Type Locality:

ⓘ Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

Mica Group.

Unique IdentifiersHide

Mindat ID:

729

Long-form identifier:

mindat:1:1:729:4

GUID
(UUID V4):

34d8e5a4-4d97-4fb0-9e66-fb6faff3d15d

IMA Classification of BoromuscoviteHide

IMA status:

Approved

IMA Formula:

KAl₂(Si₃B)O₁₀(OH)₂

First published:

1991

Type description reference:

Foord, E.E., Martin, R.F., Fitzpatrick, J.J., Taggart, J.E., Crock, J.G. (1991) Boromuscovite, a new member of the mica group, from the Little Three mine pegmatite, Ramona district, San Diego County, California. American Mineralogist: 76: 1998-2002.

Classification of BoromuscoviteHide

Strunz-mindat (2024):

9.EC.15

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

Dana 8th ed.:

71.2.2a.9

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers

Hey's CIM Ref.:

17.5.7

17 : Silicates Containing other Anions
5 : Borosilicates

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference
Bms	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Bms	Warr (2020)	Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of BoromuscoviteHide

Lustre:

Vitreous, Dull

Transparency:

Opaque

Colour:

White

Streak:

White

Hardness:

2½ - 3 on Mohs scale

Cleavage:

Perfect
Perfect on {001}

Parting:

Poor on {010}

Fracture:

Sub-Conchoidal

Density:

2.81 g/cm³ (Measured) 2.89 g/cm³ (Calculated)

Comment:

Calculated 2.89 (2M1) and 2.90 (1M)

Optical Data of BoromuscoviteHide

Type:

Biaxial (-)

RI values:

n_α = 1.557 n_β = 1.587 n_γ = 1.593

2V:

Measured: 44° , Calculated: 46°

Max Birefringence:

δ = 0.036

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

r > v strong

Chemistry of BoromuscoviteHide

Mindat Formula:

KAl₂(BSi₃O₁₀)(OH)₂

Elements listed:

Al, B, H, K, O, Si - search for minerals with similar chemistry

Common Impurities:

Ti,Fe,Mn,Mg,Ca,Li,Na,Cs,P

Crystallography of BoromuscoviteHide

Polytype:

Formula:

Crystal System:

Class (H-M)

Space Group:

Space Group Setting:

Cell Parameters:

Ratio:

Unit Cell Volume (calc):

Boromuscovite-1M	Boromuscovite-2M1

Monoclinic	Monoclinic
2/m - Prismatic	2/m - Prismatic
B2/b	B2/b
C2/c	C2/c
a = 5.077(1) Å, b = 8.775(3) Å, c = 10.061(2) Å β = 101.31(2)°	a = 5.075(1) Å, b = 8.794(4) Å, c = 19.815(25) Å β = 95.59(3)°
a:b:c = 0.579 : 1 : 1.147	a:b:c = 0.577 : 1 : 2.253
V 439.52 Å³ (Calculated from Unit Cell)	V 880.13 Å³ (Calculated from Unit Cell)
4	2

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)
0005445	Boromuscovite	Liang J, Hawthorne F C, Novak M, Cerny P (1995) Crystal-structure refinement of boromuscovite polytypes using a coupled Rietveld-static-structure energy-minimization method The Canadian Mineralogist 33 859-865		1995	Recice, Czech Republic	0	293
0005446	Boromuscovite	Liang J, Hawthorne F C, Novak M, Cerny P (1995) Crystal-structure refinement of boromuscovite polytypes using a coupled Rietveld-static-structure energy-minimization method The Canadian Mineralogist 33 859-865		1995	Recice, Czech Republic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Boromuscovite'
loop_
_publ_author_name
'Liang J'
'Hawthorne F C'
'Novak M'
'Cerny P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 33 
_journal_year 1995
_journal_page_first 859
_journal_page_last 865
_publ_section_title
;
 Crystal-structure refinement of boromuscovite polytypes using a coupled
 Rietveld-static-structure energy-minimization method
 Sample: 2M1 polytype
;
_database_code_amcsd 0005445
_chemical_compound_source 'Recice, Czech Republic'
_chemical_formula_sum 'Al1.92 (Si3 B) K.41 O12'
_cell_length_a 5.090
_cell_length_b 8.822
_cell_length_c 19.819
_cell_angle_alpha 90
_cell_angle_beta 95.62
_cell_angle_gamma 90
_cell_volume 885.674
_exptl_crystal_density_diffrn      2.662
_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
Al   0.25000   0.07900  -0.00020   0.96000   0.00595
SiT1   0.44200   0.25400   0.13510   0.78000   0.00152
BT1   0.44200   0.25400   0.13510   0.22000   0.00152
SiT2   0.04500   0.42600   0.36400   0.72000   0.00215
BT2   0.04500   0.42600   0.36400   0.28000   0.00215
K   0.00000   0.10300   0.25000   0.41000   0.00329
O   0.03900   0.07200   0.45410   1.00000   0.00443
O1   0.38500   0.24800   0.05690   1.00000   0.00469
O2   0.04300   0.43800   0.44660   1.00000   0.00367
O3   0.41900   0.09000   0.16550   1.00000   0.00481
O4   0.22900   0.36100   0.16360   1.00000   0.00861
O5   0.27000   0.31400   0.34660   1.00000   0.00405

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.569 Å	(100)
4.391 Å	(80)
3.008 Å	(80)
2.505 Å	(80)
9.862 Å	(60)
4.239 Å	(40)
4.007 Å	(40)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of BoromuscoviteHide

Type Locality:

ⓘ Little Three Mine, Ramona, Ramona Mining District, San Diego County, California, USA

General Appearance of Type Material:

Pseudohexagonal crystals, to 4 μm

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, 166821.

Geological Setting of Type Material:

Pegmatite

Associated Minerals at Type Locality:

Reference:

Download:

https://rruff.info/rruff_1.0/uploads/AM76_1998.pdf

Synonyms of BoromuscoviteHide

IMA1989-027

Other Language Names for BoromuscoviteHide

German:Boromuscovit

Russian:Боромусковит

Spanish:Boromuscovita

Relationship of Boromuscovite to other SpeciesHide

Member of:

Dioctahedral mica Group > Mica Group

Other Members of this group:

Celadonite Subgroup	A subgroup of the dioctahedral mica group.
Chromphyllite	K(Cr,Al)₂(AlSi₃O₁₀)(OH,F)₂	Mon. 2/m : B2/b
Glauconite	K_0.60-0.85(Fe³⁺,Mg,Al)₂(Si,Al)₄O₁₀](OH)₂
Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/b
Nanpingite	CsAl₂(AlSi₃O₁₀)(OH,F)₂	Mon. 2/m : B2/b
Natro-glauconite	(Na,K)(Fe³⁺,Al,Mg)₂((Si,Al)₄O₁₀)(OH)₂
Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂	Mon.
Roscoelite	K(V³⁺,Al)₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/b
Tobelite	(NH₄,K)Al₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:

15 photos of Boromuscovite associated with Lepidolite
9 photos of Boromuscovite associated with Smoky Quartz	SiO₂
8 photos of Boromuscovite associated with Elbaite	Na(Li_1.5Al_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
8 photos of Boromuscovite associated with Quartz	SiO₂
4 photos of Boromuscovite associated with Beryllonite	NaBePO₄
1 photo of Boromuscovite associated with Albite	Na(AlSi₃O₈)

Related Minerals - Strunz-mindat Grouping Hide

9.EC.	Balestraite	KLi₂V⁵⁺Si₄O₁₂	Mon. 2 : B2
9.EC.	Meifuite	KFe₆(Si₇Al)O₁₉(OH)₄Cl₂	Tric. 1 : P1
9.EC.05	Minnesotaite	Fe²⁺₃Si₄O₁₀(OH)₂	Tric. 1 : P1
9.EC.05	Talc	Mg₃Si₄O₁₀(OH)₂	Tric. 1 : P1
9.EC.05	Willemseite	Ni₃Si₄O₁₀(OH)₂	Mon.
9.EC.9.EC.	Voloshinite	Rb(LiAl_1.5◻_0.5)(Al_0.5Si_3.5)O₁₀F₂	Mon. 2/m : B2/b
9.EC.10	Ferripyrophyllite	Fe³⁺Si₂O₅(OH)	Mon. 2/m
9.EC.10	Pyrophyllite	Al₂Si₄O₁₀(OH)₂	Tric. 1
9.EC.10	Luanshiweiite	KLiAl_1.5(Si_3.5Al_0.5)O₁₀(OH)₂	Mon. 2/m : B2/b
9.EC.10	Fluorluanshiweiite	KLiAl_1.5(Si_3.5Al_0.5)O₁₀F₂	Mon. 2/m : B2/m
9.EC.10	Manganiceladonite	K(MgMn³⁺◻)(Si₄O₁₀)(OH)₂	Mon.
9.EC.10	Garmite	CsLiMg₂(Si₄O₁₀)F₂	Mon.
9.EC.10	Gorbunovite	CsLi₂(Ti,Fe)Si₄O₁₀(F,OH,O)₂	Mon.
9.EC.15	Celadonite	K(MgFe³⁺◻)(Si₄O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.15	Chernykhite	(Ba,Na)(V³⁺,Al,Mg)₂((Si,Al)₄O₁₀)(OH)₂	Mon.
9.EC.15	Montdorite	(K,Na)₂(Fe²⁺,Mn²⁺,Mg)₅(Si₄O₁₀)₂(OH,F)₄	Mon. 2/m : B2/m
9.EC.15	Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.15	Nanpingite	CsAl₂(AlSi₃O₁₀)(OH,F)₂	Mon. 2/m : B2/b
9.EC.15	Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂	Mon.
9.EC.15	Roscoelite	K(V³⁺,Al)₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.15	Tobelite	(NH₄,K)Al₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.15	Aluminoceladonite	K(MgAl◻)(Si₄O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.15	Chromphyllite	K(Cr,Al)₂(AlSi₃O₁₀)(OH,F)₂	Mon. 2/m : B2/b
9.EC.15	Ferroaluminoceladonite	K(Fe²⁺Al◻)(Si₄O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.15	Ferroceladonite	K(Fe²⁺Fe³⁺◻)(Si₄O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.15	Chromceladonite	K(MgCr◻)(Si₄O₁₀)(OH)₂	Mon. 2 : B2
9.EC.15	Tainiolite	KLiMg₂(Si₄O₁₀)F₂	Mon. 2/m : B2/m
9.EC.15	Ganterite	(Ba,Na,K)(Al,Mg)₂(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.15	UM1988-22-SiO:AlCaFFeHKLiMg	KLiMgAl₂Si₃O₁₀F₂	Mon.
9.EC.15	Kreiterite	CsLi₂Fe³⁺(Si₄O₁₀)F₂	Mon.
9.EC.20	Annite	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.20	Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂	Tric. 1 : P1
9.EC.20	Hendricksite	KZn₃(Si₃Al)O₁₀(OH)₂	Mon. 2/m : B2/m
9.EC.20	Masutomilite	(K,Rb)(Li,Mn³⁺,Al)₃(AlSi₃O₁₀)(F,OH)₂	Mon. 2 : B2
9.EC.20	Norrishite	KLiMn³⁺₂(Si₄O₁₀)O₂	Mon. 2/m : B2/m
9.EC.20	Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.20	Polylithionite	KLi₂Al(Si₄O₁₀)(F,OH)₂	Mon. 2/m : B2/b
9.EC.20	Preiswerkite	NaMg₂Al(Al₂Si₂O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.20	Siderophyllite	KFe²⁺₂Al(Al₂Si₂O₁₀)(OH)₂	Mon.
9.EC.20	Tetraferriphlogopite	KMg₃(Fe³⁺Si₃O₁₀)(OH,F)₂	Mon. 2/m : B2/m
9.EC.20	Fluorotetraferriphlogopite	KMg₃(Fe³⁺Si₃O₁₀)F₂	Mon. 2/m : B2/m
9.EC.20	Wonesite	(Na,K)(Mg,Fe,Al)₆((Al,Si)₄O₁₀)₂(OH,F)₄	Mon. 2/m : B2/m
9.EC.20	Eastonite	KMg₂Al(Al₂Si₂O₁₀)(OH)₂	Mon.
9.EC.20	Tetraferriannite	KFe²⁺₃(Si₃Fe³⁺)O₁₀(OH)₂	Mon. 2/m : B2/m
9.EC.20	Trilithionite	K(Li_1.5Al_1.5)(AlSi₃O₁₀)(F,OH)₂	Mon. 2/m : B2/b
9.EC.20	Fluorannite	KFe²⁺₃(Si₃Al)O₁₀F₂	Mon. 2/m : B2/m
9.EC.20	Shirokshinite	K(NaMg₂)(Si₄O₁₀)F₂	Mon. 2/m : B2/m
9.EC.20	Shirozulite	KMn²⁺₃(Si₃Al)O₁₀(OH)₂	Mon. 2/m : B2/m
9.EC.20	Sokolovaite	CsLi₂Al(Si₄O₁₀)F₂	Mon.
9.EC.20	Aspidolite	NaMg₃(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.20	Fluorophlogopite	KMg₃(Si₃Al)O₁₀F₂	Mon. 2/m : B2/m
9.EC.20	UM2004-49-SiO:AlCsFHKLi	(Cs,K)(Al,Li)_2.6((Si,Al)₄O₁₀)(F,OH)₂
9.EC.20	Suhailite	(NH₄)Fe²⁺₃(AlSi₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.20	Yangzhumingite	KMg_2.5(Si₄O₁₀)F₂	Mon. 2/m : B2/m
9.EC.20	Orlovite	KLi₂Ti(Si₄O₁₀)OF	Mon. 2 : B2
9.EC.20	Oxyphlogopite	K(Mg,Ti,Fe)₃[(Si,Al)₄O₁₀](O,F)₂	Mon. 2/m : B2/m
9.EC.20	Chloroferrokinoshitalite	(Ba,K)(Fe²⁺,Mg)₃(Al₂Si₂O₁₀)(Cl,OH,F)₂
9.EC.22	Pimelite	Ni₃Si₄O₁₀(OH)₂ · 4H₂O	Hex.
9.EC.30	Chlorophaeite	(Ca,Mg,Fe)₂Fe₂Si₄O₁₃ · 10H₂O
9.EC.30	Margarite	CaAl₂(Al₂Si₂O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.35	Anandite	(Ba,K)(Fe²⁺,Mg)₃((Si,Al,Fe)₄O₁₀)(S,OH)₂	Mon. 2/m : B2/b
9.EC.35	Bityite	CaLiAl₂(AlBeSi₂O₁₀)(OH)₂	Mon. 2/m : B2/b
9.EC.35	Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.35	Kinoshitalite	(Ba,K)(Mg,Mn²⁺,Al)₃(Al₂Si₂O₁₀)(OH)₂	Mon. 2/m : B2/m
9.EC.35	Ferrokinoshitalite	(Ba,K)(Fe²⁺,Mg)₃(Al₂Si₂O₁₀)(OH,F)₂	Mon. 2/m : B2/m
9.EC.35	Oxykinoshitalite	(Ba,K)(Mg,Ti,Fe³⁺,Fe²⁺)₃((Si,Al)₄O₁₀)(O,OH,F)₂	Mon. 2/m : B2/m
9.EC.35	Fluorokinoshitalite	BaMg₃(Al₂Si₂O₁₀)F₂	Mon. 2/m : B2/m
9.EC.40	Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O	Mon. 2/m : B2/m
9.EC.40	Kurumsakite	(Zn,Ni,Cu)₈Al₈V⁵⁺₂Si₅O₃₅ · 27H₂O (?)	Orth.
9.EC.40	Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O	Mon. 2/m : B2/m
9.EC.40	Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O	Mon. 2/m : B2/m
9.EC.40	Volkonskoite	Ca_0.3(Cr,Mg,Fe)₂((Si,Al)₄O₁₀)(OH)₂ · 4H₂O	Mon.
9.EC.40	Yakhontovite	(Ca,Na)_0.5(Cu,Fe,Mg)₂(Si₄O₁₀)(OH)₂ · 3H₂O	Mon.
9.EC.45	Hectorite	Na_0.3(Mg,Li)₃(Si₄O₁₀)(F,OH)₂	Mon. 2/m : B2/m
9.EC.45	Saponite	Ca_0.25(Mg,Fe)₃((Si,Al)₄O₁₀)(OH)₂ · nH₂O	Mon.
9.EC.45	Sauconite	Na_0.3Zn₃((Si,Al)₄O₁₀)(OH)₂ · 4H₂O	Mon.
9.EC.45	Spadaite	MgSiO₂(OH)₂ · H₂O (?)
9.EC.45	Stevensite	(Ca,Na)_xMg_3-x(Si₄O₁₀)(OH)₂	Mon.
9.EC.45	Swinefordite	Li(Al,Li,Mg)₃((Si,Al)₄O₁₀)₂(OH,F)₄ · nH₂O	Mon. 2/m : B2/m
9.EC.45	Zincsilite	Zn₃Si₄O₁₀(OH)₂ · 4H₂O (?)	Mon.
9.EC.45	Ferrosaponite	Ca_0.3(Fe²⁺,Mg,Fe³⁺)₃((Si,Al)₄O₁₀)(OH)₂ · 4H₂O	Mon.
9.EC.45	Hanjiangite	Ba₂CaV³⁺Al(H₂AlSi₃O₁₂)(CO₃)₂F	Mon. 2 : B2
9.EC.50	Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O	Mon. 2/m
9.EC.52	Tarasovite	near NaKAl₁₁Si₁₃O₄₀(OH)₉ · 3H₂O
9.EC.55	Baileychlore	(Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈	Tric. 1
9.EC.55	Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈	Mon. 2/m : B2/m
9.EC.55	Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈	Mon. 2/m : B2/m
9.EC.55	Cookeite	(LiAl₄◻)[AlSi₃O₁₀](OH)₈	Mon. 2/m
9.EC.55	Franklinfurnaceite	Ca₂Fe³⁺Mn²⁺₃Mn³⁺(Zn₂Si₂O₁₀)(OH)₈	Mon. 2 : B2
9.EC.55	Gonyerite	(Mn²⁺,Mg)₅Fe³⁺(Fe³⁺Si₃O₁₀)(OH)₈	Orth.
9.EC.55	Nimite	(Ni,Mg,Al)₆((Si,Al)₄O₁₀)(OH)₈	Mon. 2/m : B2/m
9.EC.55	Orthochamosite	(Fe²⁺,Mg,Fe³⁺)₅Al(AlSi₃O₁₀)(OH,O)₈
9.EC.55	Pennantite	Mn²⁺₅Al(AlSi₃O₁₀)(OH)₈	Tric.
9.EC.55	Sudoite	Mg₂Al₃(Si₃Al)O₁₀)(OH)₈	Mon. 2/m : B2/m
9.EC.55	Donbassite	Al_4.33(Si₃Al)O₁₀(OH)₈	Mon. 2 : B2
9.EC.55	Glagolevite	Na(Mg,Al)₆(AlSi₃O₁₀)(OH,O)₈	Tric. 1 : P1
9.EC.55	Borocookeite	(LiAl₄◻)[BSi₃O₁₀](OH)₈	Mon. m : Bb
9.EC.60	Aliettite	Ca_0.2Mg₆((Si,Al)₈O₂₀)(OH)₄ · 4H₂O	Mon.
9.EC.60	Corrensite	(Mg,Fe)₉((Si,Al)₈O₂₀)(OH)₁₀ · nH₂O	Orth.
9.EC.60	Dozyite	Mg₇Al₂(Al₂Si₄O₁₅)(OH)₁₂	Mon.
9.EC.60	Hydrobiotite	K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ · nH₂O	Mon. 2/m : B2/m
9.EC.60	Karpinskite	(Ni,Mg)₂Si₂O₅(OH)₂ (?)	Mon.
9.EC.60	Kulkeite	Mg₈Al(AlSi₇O₂₀)(OH)₁₀	Mon.
9.EC.60	Lunijianlaite	Li_0.7Al_6.2(AlSi₇O₂₀)(OH,O)₁₀	Mon.
9.EC.60	Rectorite	(Na,Ca)Al₄((Si,Al)₈O₂₀)(OH)₄ · 2H₂O	Mon.
9.EC.60	Saliotite	(Li,Na)Al₃(AlSi₃O₁₀)(OH)₅	Mon. 2/m : B2/m
9.EC.60	Tosudite	Na_0.5(Al,Mg)₆((Si,Al)₈O₁₈)(OH)₁₂ · 5H₂O	Mon. 2 : B2
9.EC.60	Brinrobertsite	Na_0.3Al₄(Si₄O₁₀)₂(OH)₄ · 3.5 H₂O	Mon.
9.EC.65	Macaulayite	(Fe,Al)₂₄Si₄O₄₃(OH)₂	Mon.
9.EC.70	Burckhardtite	Pb₂(Fe³⁺Te⁶⁺)[AlSi₃O₈]O₆	Trig. 3m (3 2/m) : P3 1m
9.EC.75	Ferrisurite	(Pb,Ca)_2.4Fe³⁺₂(Si₄O₁₀)(CO₃)_1.7(OH)₃ · nH₂O	Mon.
9.EC.75	Surite	(Pb,Ca)₃(Al,Fe²⁺,Mg)₂((Si,Al)₄O₁₀)(CO₃)₂(OH)₂	Mon. 2 : P2₁
9.EC.75	Niksergievite	(Ba,Ca)₂Al₃(AlSi₃O₁₀)(CO₃)(OH)₆ · nH₂O	Mon.
9.EC.80	Kegelite	Pb₈Al₄(Si₈O₂₀)(SO₄)₂(CO₃)₄(OH)₈	Mon.

Other InformationHide

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References for BoromuscoviteHide

Reference List:

Liang, J.J., Hawthorne, F.C., Novák, M., Černý, P. (1995) Crystal-structure refinement of boromuscovite polytypes using a coupled Rietveld-static-structure energy-minimization method. The Canadian Mineralogist: 33: 859-865.

Grew, Edward S., Anovitz, Lawrence M., Grew, Edward S., Anovitz, Lawrence M. - Eds. (1996) Boron - Mineralogy, Petrology and Geochemistry. Reviews in Mineralogy Vol. 33. Mineralogical Society of America

Schreyer, W. and Jung, I. (1997) Boromuscovite, KAl2[AlSi3O10](OH)2: A high-pressure mineral. Abstract Supplement 1 Terra Nova: 9: 32-33.

Rieder, M., Cavazzini, G., D’Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardt, G., Guggenheim, S., Koval, P.V., Muller, G., Neiva, A.M.R., Radoslovich, E.W., Robert, J.L., Sassi, F.P., Takeda, H., Weiss, Z., Wones, D.R. (1998) Nomenclature of the micas. The Canadian Mineralogist, 36 (3) 905-912

Jung, Ingo, Schreyer, Werner (2002) Synthesis, properties and stability of end member boromuscovite, KAl2[BSi3O10](OH)2. Contributions to Mineralogy and Petrology, 143 (6) 684-693 doi:10.1007/s00410-002-0369-2

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

Localities for BoromuscoviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

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Locality ListHide

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- 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.


Canada
Northwest Territories O'Grady Lake area O'Grady Batholith ⓘ Stargazer Claim ?	Northern Mineral Showings Database

Czech Republic
Vysočina Region Žďár nad Sázavou District ⓘ Řečice	Novák (1995) +1 other reference

Pakistan
Gilgit-Baltistan Shigar District ⓘ Shigar Valley	Montgomery (n.d.)

Russia
Zabaykalsky Krai Krasnochikoysky District Krasnyi Chikoy Malkhan pegmatite field ⓘ Mokhovaya pegmatite vein	Zagorsky et al. (2003)
ⓘ Sosedka pegmatite vein	American Mineralogist +2 other references

Tajikistan
Gorno-Badakhshan Rangkul' Highlands ⓘ Mika pegmatite	Chukanov (2014)

USA (TL)
California San Diego County Ramona Mining District Ramona ⓘ Little Three Mine (TL)	Foord et al. (1989) +2 other references

Boromuscovite

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