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

Yagiite

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



Formula:
(Na,K)
 
3
Mg
 
4
(Al,Mg)
 
6
(Si,Al)
 
24
O
 
60
System:HexagonalColour:Colourless
Hardness:5 - 6
Member of:Osumilite Group
Name:Named after Kenzo Yagi (b. 1949), Professor of Geology, Hokkaido University (Japan).


Osumilite Group.

Classification of Yagiite

IMA status:Approved 1968
Strunz 8th edition ID:8/E.22-70
Nickel-Strunz 10th (pending) edition ID:9.CM.05

9 : SILICATES (Germanates)
C : Cyclosilicates
M : [Si6O18]12- 6-membered double rings (sechser-Doppelringe)
Dana 8th edition ID:63.2.1a.10

63 : CYCLOSILICATES Condensed Rings
2 : Condensed Rings (Milarite - Osumilite group)
Hey's CIM Ref.:16.8.5

16 : Silicates Containing Aluminum and other Metals
8 : Aluminosilicates of Mg and alkalis
mindat.org URL:http://www.mindat.org/min-4350.html
Please feel free to link to this page.

Type Occurrence of Yagiite

Type Locality:Colomera meteorite, Granada, Andalusia, Spain
Year of Discovery:1968

Physical Properties of Yagiite

Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless
Hardness (Mohs):5 - 6

Crystallography of Yagiite

Crystal System:Hexagonal
Cell Parameters:a = 10.09Å, c = 14.29Å
Ratio:a:c = 1 : 1.416
Unit Cell Volume:V 1,259.93 ų (Calculated from Unit Cell)

Optical Data of Yagiite

Type:Uniaxial (+)
RI values: nω = 1.536 nε = 1.544
Maximum Birefringence:δ = 0.008

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

Chemical Properties of Yagiite

Formula:
(Na,K)
 
3
Mg
 
4
(Al,Mg)
 
6
(Si,Al)
 
24
O
 
60
Essential elements:Al, Mg, Na, O, Si
All elements listed in formula:Al, K, Mg, Na, O, Si
Common Impurities:Ti,Cr,Fe,Mn,Ca

Relationship of Yagiite to other Species

Member of:Osumilite Group
Other Members of Group:

- +
Almarudite
K(□,Na)
 
2
(Mn
2+
 
,Fe
2+
 
,Mg)
 
2
(Be,Al)
 
3
[Si
 
12
O
 
30
]
Armenite
BaCa
 
2
Al
 
6
Si
 
9
O
 
30
 · 2H
 
2
O
Berezanskite
K□
 
2
Li
 
3
(Ti,Zr,Sn)
 
2
[Si
 
12
O
 
30
]
Brannockite
(K,Na)□
 
2
Li
 
3
(Sn,Zr,Ti)
 
2
[Si
 
12
O
 
30
]
Darapiosite
KNa
 
2
(Zn,Li)
 
3
(Mn,Zr)
 
2
[Si
 
12
O
 
30
]
Dusmatovite
K(Na,□)
 
2
(Zn,Li)
 
3
(Mn
2+
 
,Y,Zr)
 
2
[Si
 
12
O
 
30
]
Friedrichbeckeite
K(□
 
0.5
Na
 
0.5
)
 
2
Mg
 
2
Be
 
3
Si
 
12
O
 
30
Klöchite
(□Na)KFe
2+
2
Zn
 
3
(Si
 
12
O
 
30
)
Merrihueite
(K,Na)
 
2
(Fe,Mg)
 
5
Si
 
12
O
 
30
Milarite
K
 
2
Ca
 
4
Al
 
2
Be
 
4
Si
 
24
O
 
60
 · H
 
2
O
Osumilite
(K,Na)(Fe
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
3
(Si,Al)
 
12
O
 
30
Osumilite-(Mg)
KMg
 
2
Al
 
3
(Al
 
2
Si
 
10
)O
 
30
Roedderite
(Na,K)
 
2
(Mg,Fe)
 
5
Si
 
12
O
 
30
Shibkovite
K(□,K,Na)
 
2
Zn
 
3
Ca
 
2
[Si
 
12
O
 
30
]
Sogdianite
K(□,Na)
 
2
Li
 
3
(Zr,Fe,Ti)
 
2
[Si
 
12
O
 
30
]
Sugilite
K(Na,□)
 
2
Li
 
3
(Fe,Mn,Al,Zr)
 
2
[Si
 
12
O
 
30
]
Trattnerite
□(Fe
3+
 
,Mg,Fe
2+
 
)
 
2
(Mg,Fe
2+
 
,Fe
3+
 
)
 
3
(Si
 
12
O
 
30
)
Related Minerals - Nickel-Strunz Grouping):

- +
9.CM.05Armenite
BaCa
 
2
Al
 
6
Si
 
9
O
 
30
 · 2H
 
2
O
9.CM.05Brannockite
(K,Na)□
 
2
Li
 
3
(Sn,Zr,Ti)
 
2
[Si
 
12
O
 
30
]
9.CM.05Chayesite
K(Mg,Fe)
 
4
FeSi
 
12
O
 
30
9.CM.05Darapiosite
KNa
 
2
(Zn,Li)
 
3
(Mn,Zr)
 
2
[Si
 
12
O
 
30
]
9.CM.05Eifelite
KNa
 
3
Mg
 
4
Si
 
12
O
 
30
9.CM.05Merrihueite
(K,Na)
 
2
(Fe,Mg)
 
5
Si
 
12
O
 
30
9.CM.05Milarite
K
 
2
Ca
 
4
Al
 
2
Be
 
4
Si
 
24
O
 
60
 · H
 
2
O
9.CM.05Osumilite-(Mg)
KMg
 
2
Al
 
3
(Al
 
2
Si
 
10
)O
 
30
9.CM.05Osumilite
(K,Na)(Fe
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
3
(Si,Al)
 
12
O
 
30
9.CM.05Poudretteite
KNa
 
2
B
 
3
Si
 
12
O
 
30
9.CM.05Roedderite
(Na,K)
 
2
(Mg,Fe)
 
5
Si
 
12
O
 
30
9.CM.05Sogdianite
K(□,Na)
 
2
Li
 
3
(Zr,Fe,Ti)
 
2
[Si
 
12
O
 
30
]
9.CM.05Sugilite
K(Na,□)
 
2
Li
 
3
(Fe,Mn,Al,Zr)
 
2
[Si
 
12
O
 
30
]
9.CM.05Berezanskite
K□
 
2
Li
 
3
(Ti,Zr,Sn)
 
2
[Si
 
12
O
 
30
]
9.CM.05Dusmatovite
K(Na,□)
 
2
(Zn,Li)
 
3
(Mn
2+
 
,Y,Zr)
 
2
[Si
 
12
O
 
30
]
9.CM.05Shibkovite
K(□,K,Na)
 
2
Zn
 
3
Ca
 
2
[Si
 
12
O
 
30
]
9.CM.05Almarudite
K(□,Na)
 
2
(Mn
2+
 
,Fe
2+
 
,Mg)
 
2
(Be,Al)
 
3
[Si
 
12
O
 
30
]
9.CM.05Trattnerite
□(Fe
3+
 
,Mg,Fe
2+
 
)
 
2
(Mg,Fe
2+
 
,Fe
3+
 
)
 
3
(Si
 
12
O
 
30
)
9.CM.05Oftedalite
(Sc,Ca,Mn
2+
 
)
 
2
K[(Be,Al)
 
3
Si
 
12
O
 
30
]
9.CM.10Faizievite
K
 
2
Na(Ca
 
6
Na)Ti
 
4
Li
 
6
[F
 
2
|Si
 
24
O
 
66
]
Related Minerals - Hey's Index Grouping:

- +
16.8.1Preiswerkite
NaMg
 
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
16.8.3Nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
16.8.4Ferrierite
16.8.6Phlogopite
KMg
 
3
(AlSi
 
3
O
 
10
)(OH,F)
 
2

Other Names for Yagiite

Synonyms:
IMA1968-020JageiiteYagite
Other Languages:
German:Jageiit
Yagiit
Yagit
Spanish:Jageiita
Yagiita
Yagita

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 Yagiite

Reference List:

- +
American Mineralogist (1969): 54: 14-18.

Internet Links for Yagiite

Search Engines:
  • Look for Yagiite on Google
  • Look for Yagiite images on Google
    • External Links:
  • Look for Yagiite on Webmineral
  • Look for Yagiite on Athena Mineralogy
  • Look for Yagiite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Yagiite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • rare and unusual minerals mainly crystallized
  • Search for - Yagiite - on e-Rocks Mineral Sales & Auctions
  • Wilensky Fine Minerals
  • Find Yagiite on www.crystalclassics.co.uk
  • Search for minerals at Heliodor
  • webminerals
  • Yagiite specimens for sale - minfind.com
  • Fabre Minerals - search for Yagiite specimens
  • Search for Yagiite on Well-Arranged Molecules
  • Top quality minerals from Kristalle of California
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Yagiite

    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.
    Spain
     
    • Andalusia
      • Granada
    		[AM 54 (1969), 14; Nickel & Nichols, 1991 - "Mineral Reference Manual", p233]
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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: 12th Jan 2013 20:11:11
    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