Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Hundholmenite-(Y)

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Stetind, Tysfjord, Nordland, Norway
© Knut Eldjarn

Show Hundholmenite-(Y) Photos (13)



Formula:
(Y,REE,Ca,Na)
 
15
(Al,Fe
3+
 
)(Ca
 
x
As
3+
1-x
)(Si,As
5+
 
)Si
 
6
B
 
3
(O,F)
 
48
System:TrigonalColour:Pale brown
Hardness:5 - 6
Name:After the type locality of Hundholmen, Tysfjord, Nordland County, Norway.
Isostructural with:Okanoganite-(Y), Vicanite-(Ce)


Vicanite Group.

Classification of Hundholmenite-(Y)

IMA status:Approved 2006
Strunz 8th edition ID:8/B.33-
Nickel-Strunz 10th (pending) edition ID:9.AJ.35

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
mindat.org URL:http://www.mindat.org/min-29098.html
Please feel free to link to this page.

Type Occurrence of Hundholmenite-(Y)

Type Locality:Hundholmen, Tysfjord, Nordland, Norway
Year of Discovery:2006
Geological Setting of type material:Granitic pegmatite.
Associated Minerals at type locality:
Fluorite

Physical Properties of Hundholmenite-(Y)

Colour:Pale brown
Hardness (Mohs):5 - 6
Density (calculated):5.206 g/cm3

Crystallography of Hundholmenite-(Y)

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 10.675(6) Å, c = 27.02(2) Å
Ratio:a:c = 1 : 2.531
Unit Cell Volume:V 2667 ų
Z:3
Morphology:Subhedral crystals up to 1 mm diameter.
X-Ray Powder Diffraction:
d-spacingIntensity
4.38 (33)
3.114 (43)
3.095 (29)
2.972 (100)
2.947 (76)
2.924 (66)
2.681 (36)
1.978 (37)

Optical Data of Hundholmenite-(Y)

Type:Uniaxial (-)

Chemical Properties of Hundholmenite-(Y)

Formula:
(Y,REE,Ca,Na)
 
15
(Al,Fe
3+
 
)(Ca
 
x
As
3+
1-x
)(Si,As
5+
 
)Si
 
6
B
 
3
(O,F)
 
48
Essential elements:Al, As, B, Ca, O, Si, Y
All elements listed in formula:Al, As, B, Ca, F, Fe, Na, O, Si, Y

Relationship of Hundholmenite-(Y) to other Species

Structurally related to group(s):
Vicanite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.AJ.05Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
(SiO
 
4
)(BO
 
3
)O
 
2
9.AJ.05Ominelite
(Fe
2+
 
,Mg)(Al,Fe
3+
 
)
 
3
(SiO
 
4
)(BO
 
3
)O
 
2
9.AJ.10Dumortierite
(Al,Fe
3+
 
)
 
7
(SiO
 
4
)
 
3
(BO
 
3
)O
 
3
9.AJ.10Holtite
Al
 
6
(Al,Ta)(SiO
 
4
,SbO
 
4
,AsO
 
4
)
 
3
(BO
 
3
)O
 
3
9.AJ.10Magnesiodumortierite
(Mg,Ti,◻(Al,Mg)
 
2
Al
 
4
Si
 
3
O
 
18-y
(OH)
 
y
B y = 2-3
9.AJ.15Garrelsite
Ba
 
3
NaSi
 
2
B
 
7
O
 
16
(OH)
 
4
9.AJ.20Bakerite
Ca
 
4
(H
 
5
B
 
5
Si
 
3
O
 
20
)
9.AJ.20Datolite
Ca(HBSiO
 
5
)
9.AJ.20Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
9.AJ.20Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
9.AJ.20Hingganite-(Ce)
(Ce,REE)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Hingganite-(Y)
(Y,REE,Ca)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Hingganite-(Yb)
(Yb,Y,REE)
 
2
□Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
Si
 
2
O
 
10
9.AJ.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(Si,B)
 
3
O
 
12
(OH,F) · nH
 
2
O
9.AJ.20Minasgeraisite-(Y)
CaBe
 
2
Y
 
2
Si
 
2
O
 
10
9.AJ.20Calcybeborosilite-(Y)
(Y,Ca)
 
2
(□,Fe
2+
 
)(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
9.AJ.25Stillwellite-(Ce)
(Ce,La,Ca)BSiO
 
5
9.AJ.30Cappelenite-(Y)
Ba(Y,Ce)
 
6
Si
 
3
B
 
6
O
 
24
F
 
2
9.AJ.35Okanoganite-(Y)
(Na,Ca)
 
3
(Y,Ce)
 
12
Si
 
6
B
 
2
O
 
27
F
 
14
9.AJ.35Vicanite-(Ce)
(Ca,Ce,La,Th)
 
15
As
5+
 
(As
3+
0.5
,Na
 
0.5
)Fe
3+
 
Si
 
6
B
 
4
O
 
40
F
 
7
9.AJ.35Proshchenkoite-(Y)
Ca(Y,REE,Ca,Na,Mn)
 
15
Fe
2+
 
(P,Si)Si
 
6
B
 
3
O
 
34
F
 
14
9.AJ.40Jadarite
LiNaSiB
 
3
O
 
7
(OH)

Other Names for Hundholmenite-(Y)

Synonyms:
IMA2006-005
Other Languages:

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 Hundholmenite-(Y)

Reference List:

- +
Raade, G., Johnsen, O., Erambert, M., Petersen, O.V. (2007): Hundholmenite-(Y) from Norway – a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine, 71, 179-192.

Internet Links for Hundholmenite-(Y)

Search Engines:
  • Look for Hundholmenite-(Y) on Google
  • Look for Hundholmenite-(Y) images on Google
    • External Links:
  • Look for Hundholmenite-(Y) on Webmineral
  • Look for Hundholmenite-(Y) on Athena Mineralogy
  • Look for Hundholmenite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
  • webminerals
  • Fabre Minerals - search for Hundholmenite-(Y) specimens
  • The Arkenstone - Fine Minerals
  • High-end worldwide specimens & outstanding customer service
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Buy from David K Joyce minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Find Hundholmenite-(Y) on www.crystalclassics.co.uk
  • Buy RARE Minerals from Rocks of Africa
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for Hundholmenite-(Y) from all mineral dealers at minfind.com
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Hundholmenite-(Y)

    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.
    Hide Locality List
    (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.
    Norway
     
    • Nordland
      • Hamarøy
    		Raade, G., Johnsen, O., Erambert, M., Petersen, O.V. (2007): Hundholmenite-(Y) from Norway – a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine, 71, 179-192.Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum.Skrift 38: 5-28
      • Tysfjord
        • Drag
          • Lapplegret
    		Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum Skrift 38: 5-28
    Raade, G., Johnsen, O., Erambert, M., Petersen, O.V. (2007): Hundholmenite-(Y) from Norway – a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine, 71, 179-192.
    Raade, G., Johnsen, O., Erambert, M., Petersen, O.V. (2007): Hundholmenite-(Y) from Norway – a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine, 71, 179-192.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 29th Jul 2011 19:18:11
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds