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Feruvite

Big Photo

Anjanabonoina pegmatites, Mount Ikaka, Ambohimanambola Commune, Betafo Department, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar
© Peter Kohorst

Formula:
[Ca][(Fe
2+
 
 ,Mg)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
System:TrigonalColour:Dark brownish-black.
Lustre:Vitreous, DullHardness:7
Name:Named for its relationship to Uvite
This page provides mineralogical data about Feruvite.

Classification of Feruvite

IMA status:Approved
Strunz 8th edition ID:8/E.19-100
Nickel-Strunz 10th (pending) edition ID:9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th edition ID:61.3.1.6
Dana 8th edition ID:61.3.1.4

61 : CYCLOSILICATES Six-Membered Rings
3 : Six-Membered Rings with borate groups
Hey's CIM Ref.:17.5.46

17 : Silicates Containing other Anions
5 : Borosilicates
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Type Occurrence of Feruvite

Type Locality:Repanga Island (Cuvier Island), Waikato, North Island, New Zealand
Year of Discovery:1989

Physical Properties of Feruvite

Lustre:Vitreous, Dull
Colour:Dark brownish-black.
Streak:Grey.
Hardness (Mohs):7
Cleavage:None Observed

Crystallography of Feruvite

Crystal System:Trigonal
Cell Parameters:a = 16.01Å, c = 7.24Å
Ratio:a:c = 1 : 0.452
Unit Cell Volume:V 1,607.13 ų (Calculated from Unit Cell)

Optical Data of Feruvite

Type:Uniaxial (-)
RI values: nω = 1.687 nε = 1.669
Maximum Birefringence:δ = 0.018

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High

Chemical Properties of Feruvite

Formula:
[Ca][(Fe
2+
 
 ,Mg)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
Essential elements:Al, B, Ca, Fe, H, O, Si
All elements listed in formula:Al, B, Ca, Fe, H, Mg, O, Si
Common Impurities:Ti,Mn,K,Na

Relationship of Feruvite to other Species

Member of:Tourmaline Group
Related Minerals - Nickel-Strunz Grouping):
9.CK.05Buergerite
[Na][Fe
3+
3
][Al
 
6
][O
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Chromdravite
[Na][Mg
 
3
][(Cr
3+
 
,Fe
3+
 
)
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Dravite
[Na][Mg
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Elbaite
[Na][(Li,Al)
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Foitite
[ ][Fe
2+
2
(Al,Fe
3+
 
)][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Liddicoatite
[Ca][Li
 
2
Al][Al
 
6
][(OH)
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Olenite
([ ],Na)[(Al,Li)
 
3
][Al
 
6
][(O,OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Povondraite
[Na][Fe
3+
3
][Fe
3+
6
][O
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Schorl
[Na][Fe
2+
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Uvite
[Ca][(Mg,Fe
2+
 
)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Magnesiofoitite
[ ][Mg
 
2
(Al,Fe
3+
 
 )][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Rossmanite
[ ][LiAl
 
2
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Vanadiumdravite
[Na][Mg
 
3
][V
3+
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
9.CK.05Oxy-Dravite
Na (MgAl
 
2
)(MgAl
 
5
)Si
 
6
O
 
18
(BO
 
3
)
 
3
(OH)
 
3
O
9.CK.05Oxy-rossmanite
[ ][LiAl
 
2
]Al
 
6
(BO
 
3
)
 
3
[Si
 
6
O
 
18
](OH)
 
3
(O)
9.CK.10Abenakiite-(Ce)
Na
 
26
Ce
 
6
[O|SO
 
2
|(CO
 
3
)
 
6
|(PO
 
4
)
 
6
|Si
 
6
O
 
18
]
9.CK.15Scawtite
Ca
 
7
Si
 
6
(CO
 
3
)O
 
18
·2H
 
2
O
9.CK.20Steenstrupine-(Ce)
Na
 
14
Mn
2+
2
(Fe
3+
 
,Mn
3+
 
)
 
2
Ce
 
6
(Zr,Th)[(OH)
 
2
|HPO
 
4
|(PO
 
4
)
 
6
|(Si
 
6
O
 
18
)
 
2
]·2H
 
2
O
9.CK.20Thorosteenstrupine
CaMnThSi
 
4
O
 
11
(OH)F·6H
 
2
O
Related Minerals - Hey's Index Grouping:
17.5.1Manandonite
LiAl
 
4
Si
 
3
BO
 
10
(OH)
 
6
17.5.2Reedmergnerite
Na[BSi
 
3
O
 
8
]
17.5.3Searlesite
NaBSi
 
2
O
 
5
(OH)
 
2
17.5.4Olenite
([ ],Na)[(Al,Li)
 
3
][Al
 
6
][(O,OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.5Elbaite
[Na][(Li,Al)
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.6Kalborsite
K
 
6
[Cl|B(OH)
 
4
|Al
 
4
Si
 
6
O
 
20
]
17.5.7Boromuscovite
KAl
 
2
[(OH)
 
2
|BSi
 
3
O
 
10
]
17.5.8Poudretteite
KNa
 
2
B
 
3
Si
 
12
O
 
30
17.5.9Liddicoatite
[Ca][Li
 
2
Al][Al
 
6
][(OH)
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.10Datolite
CaB[OH|SiO
 
4
]
17.5.11Danburite
Ca[BSiO
 
4
]
 
2
17.5.12Howlite
Ca
 
2
B
 
5
SiO
 
9
(OH)
 
5
17.5.13Bakerite
Ca
 
4
B
 
4
[(OH)
 
4
|HBO
 
4
|(SiO
 
4
)
 
3
]
17.5.14Oyelite
Ca
 
10
Si
 
8
B
 
2
O
 
29
·12.5H
 
2
O
17.5.15Kornerupine
Mg
 
3
Al
 
6
(Si,Al,B)
 
5
O
 
21
(OH)
17.5.16Harkerite
Ca
 
24
Mg
 
8
Al
 
2
Si
 
8
(O,OH)
 
32
(BO
 
3
)
 
8
(CO
 
3
)
 
8
(H
 
2
O,Cl)
17.5.17Serendibite
(Ca,Na)
 
2
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
3
[O
 
2
|(Si,Al,B)
 
6
O
 
18
]
17.5.18Stillwellite-(Ce)
(Ce,La,Ca)BSiO
 
5
17.5.19Tadzhikite-(Ce)
(Ca,Ce)
 
4
(Ca,Y)
 
2
(Ti
4+
 
,Fe
3+
 
,Al)[B
 
4
Si
 
4
O
 
22
(O,OH)
 
6
](OH)
 
2
17.5.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(Si,B)
 
3
O
 
12
(OH,F)·nH
 
2
O
17.5.21Okanoganite-(Y)
(Na,Ca)
 
3
(Y,Ce)
 
12
Si
 
6
B
 
2
O
 
27
F
 
14
17.5.22Tritomite-(Ce)
(Ce,La,Y,Th)
 
5
(Si,B)
 
3
(O,OH,F)
 
13
17.5.23Tritomite-(Y)
(Y,Ca,La,Fe)
 
5
(Si,B,Al)
 
3
(O,OH,F)
 
13
17.5.24Cappelenite-(Y)
Ba(Y,Ce)
 
6
Si
 
3
B
 
6
O
 
24
F
 
2
17.5.25Dumortierite
(Al,Fe
3+
 
)
 
7
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
17.5.26Holtite
(Ta,Sb)Al
 
6
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
17.5.27Dravite
[Na][Mg
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.28 Ferridravite
17.5.29Axinite-(Mg)
Ca
 
2
MgAl
 
2
[OH|BSi
 
4
O
 
15
]
17.5.30Uvite
[Ca][(Mg,Fe
2+
 
)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.31Garrelsite
Ba
 
3
NaSi
 
2
B
 
7
O
 
16
(OH)
 
4
17.5.32Tienshanite
Na
 
2
BaMnTiB
 
2
Si
 
6
O
 
20
17.5.33Leucosphenite
BaNa
 
4
Ti
 
2
B
 
2
Si
 
10
O
 
30
17.5.34Taramellite
Ba
 
4
(Fe
3+
 
,Ti,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
17.5.35Titantaramellite
Ba
 
4
(Ti,Fe
3+
 
,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
17.5.36Nagashimalite
Ba
 
4
(V,Ti)
 
4
B
 
2
Si
 
8
O
 
27
(O,OH)
 
2
Cl
17.5.37Chromdravite
[Na][Mg
 
3
][(Cr
3+
 
,Fe
3+
 
)
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.38Wawayandaite
Ca
 
6
Mn
 
2
BBe
 
9
Si
 
6
O
 
23
(OH,Cl)
 
15
17.5.39Werdingite
(Mg,Fe)
 
2
Al
 
14
Si
 
4
B
 
4
O
 
37
17.5.40Axinite-(Mn)
Ca
 
2
Mn
2+
 
Al
 
2
[OH|BSi
 
4
O
 
15
]
17.5.41Axinite
(Ca,Fe,Mn)Al
 
2
BSi
 
4
O
 
15
OH
17.5.42Tinzenite
(Ca,Mn
2+
 
,Fe
2+
 
)
 
3
Al
 
2
[OH|BSi
 
4
O
 
15
]
17.5.44Schorl
[Na][Fe
2+
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.45Buergerite
[Na][Fe
3+
3
][Al
 
6
][O
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
17.5.47Axinite-(Fe)
Ca
 
2
Fe
2+
 
Al
 
2
[OH|BSi
 
4
O
 
15
]
17.5.48Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
[O|SiO
 
4
]
 
2
17.5.49Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
[O
 
2
|BO
 
3
|SiO
 
4
]
17.5.50Hyalotekite
(Ba,Pb,Ca,K)
 
6
(B,Si,Al)
 
2
(Si,Be)
 
10
O
 
28
(F,Cl)
17.5.51Hellandite-(Y)
(Ca,Y)
 
6
(Al,Fe
3+
 
)Si
 
4
B
 
4
O
 
20
(OH)
 
4
Related Minerals - Dana Grouping):
61.3.1.1Foitite
[ ][Fe
2+
2
(Al,Fe
3+
 
)][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.2Magnesiofoitite
[ ][Mg
 
2
(Al,Fe
3+
 
 )][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.3Rossmanite
[ ][LiAl
 
2
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.4Liddicoatite
[Ca][Li
 
2
Al][Al
 
6
][(OH)
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.5Uvite
[Ca][(Mg,Fe
2+
 
)
 
3
][MgAl
 
5
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.7Buergerite
[Na][Fe
3+
3
][Al
 
6
][O
 
3
|F|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.8Povondraite
[Na][Fe
3+
3
][Fe
3+
6
][O
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.9Olenite
([ ],Na)[(Al,Li)
 
3
][Al
 
6
][(O,OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.10Elbaite
[Na][(Li,Al)
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.11Dravite
[Na][Mg
 
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.12Schorl
[Na][Fe
2+
3
][Al
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.13Chromdravite
[Na][Mg
 
3
][(Cr
3+
 
,Fe
3+
 
)
 
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]
61.3.1.14Vanadiumdravite
[Na][Mg
 
3
][V
3+
6
][(OH)
 
3
|OH|(BO
 
3
)
 
3
|Si
 
6
O
 
18
]

Other Names for Feruvite

German names:
Feruvit
Russian names:
Ферувит
Spanish names:
Feruvita

Other Information

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

References for Feruvite

Reference List:American Mineralogist (1990): 75: 706-707.

Canadian Mineralogist (1989): 27: 199-203.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Feruvite

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  • Look for Feruvite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Feruvite in the Natural History Museum (London) online catalogue
  • Feruvite details from Handbook of Mineralogy (PDF)
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    Localities for Feruvite

    Hide Locality List
    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • British Columbia
      • Fort Steele Mining Division
        • Kimberley
    		Economic Geology (1998) volume 93, pages 47-67
    • Manitoba
      • Lac-du-Bonnet area
        • Bernic Lake
    		CanMin 38:869-876
    FERUVITE FROM LEPIDOLITE PEGMATITES AT RED CROSS LAKE, MANITOBA. Can. Min. , 1998, V 36, N 2, Apr. pp 433-439
    • Northwest Territories
      • O'Grady Lake area
    Japan
     
    • Kyushu Island
      • Oita prefecture
    		Minakawa& Adachi (1996) Chigaku Kenkyu, 44, 233-240.
    Madagascar
     
    • Antananarivo Province
      • Vakinankaratra Region (Betafo - Antsirabé region)
        • Betafo Department
          • Ambohimanambola Commune
            • Mount Ikaka
    		Gunnar Färber, Samswegen, 2005
    New Zealand
     
    • North Island
      • Waikato
    		Can. Mineral., 27, 199-203
    Sweden
     
    • Södermanland
      • Haninge
    Mineral and/or Locality
    Google
     
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