Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Kimuraite-(Y)

This page is currently not sponsored. Click here to sponsor this page.
Professor Kenjiro Kimura (1896-1988)
Formula:
Ca(Y,Nd)2(CO3)4 · 6H2O
Colour:
pale purple, light pink, white
Lustre:
Vitreous, Silky
Hardness:
Specific Gravity:
2.6
Crystal System:
Orthorhombic
Member of:
Name:
For professor Kenjiro Kimura (1896-1988), Tokyo University.
This page provides mineralogical data about Kimuraite-(Y).


Hide all sections | Show all sections

Classification of Kimuraite-(Y)Hide

Approved
Approval Year:
1984
5.CC.15

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
15.4.5.1

15 : HYDRATED NORMAL CARBONATES
4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1
11.8.10

11 : Carbonates
8 : Carbonates of the rare earths

Physical Properties of Kimuraite-(Y)Hide

Vitreous, Silky
Transparency:
Translucent
Comment:
Silky on cleavages
Colour:
pale purple, light pink, white
Streak:
white
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
on {010}
Density:
2.6(1) g/cm3 (Measured)    2.98 g/cm3 (Calculated)

Optical Data of Kimuraite-(Y)Hide

Type:
Biaxial (-)
RI values:
nα = 1.584(2) nβ = 1.612(2) nγ = 1.626(2)
2V:
Measured: 70° (5), Calculated: 68°
Max Birefringence:
δ = 0.042
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
small

Chemical Properties of Kimuraite-(Y)Hide

Formula:
Ca(Y,Nd)2(CO3)4 · 6H2O
IMA Formula:
CaY2(CO3)4 · 6H2O

Crystallography of Kimuraite-(Y)Hide

Crystal System:
Orthorhombic
Cell Parameters:
a = 9.2545(8) Å, b = 23.976(4) Å, c = 6.0433(7) Å
Ratio:
a:b:c = 0.386 : 1 : 0.252
Unit Cell V:
1,340.92 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Spherulitic aggregates of scaly tabular crystals.

Type Occurrence of Kimuraite-(Y)Hide

Place of Conservation of Type Material:
Smithsonian
Geological Setting of Type Material:
Fissues in alkali olivine basalt

Synonyms of Kimuraite-(Y)Hide

Other Language Names for Kimuraite-(Y)Hide

Japanese:木村石
Traditional Chinese:水碳釔鈣石
水碳鈣釔石

Relationship of Kimuraite-(Y) to other SpeciesHide

Member of:
Other Members of this group:
Hizenite-(Y)Ca2Y6(CO3)11 · 14H2O Orth.
Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm

Common AssociatesHide

Associated Minerals Based on Photo Data:
Lokkaite-(Y)9 photos of Kimuraite-(Y) associated with Lokkaite-(Y) on mindat.org.
Thalénite-(Y)3 photos of Kimuraite-(Y) associated with Thalénite-(Y) on mindat.org.
Allanite-(Y)3 photos of Kimuraite-(Y) associated with Allanite-(Y) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.CC.05Donnayite-(Y)NaCaSr3Y(CO3)6 · 3H2OTric. 1 : P1
5.CC.05EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
5.CC.05Mckelveyite-(Nd)(Ba,Sr)(Nd,Ce,La)(CO3)2 · 4-10H2OTric.
5.CC.05Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
5.CC.05WeloganiteNa2Sr3Zr(CO3)6 · 3H2OTric. 1 : P1
5.CC.10Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm
5.CC.15Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
5.CC.20Shomiokite-(Y)Na3Y[CO3]3 · 3H2OOrth.
5.CC.25Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2OOrth.
5.CC.25Lanthanite-(Ce)(Ce,La,Nd)2(CO3)3 · 8H2OOrth. mmm (2/m 2/m 2/m)
5.CC.25Lanthanite-(La)(La,Ce)2(CO3)3 · 8H2OOrth.
5.CC.25Lanthanite-(Nd)(Nd,La)2(CO3)3 · 8H2OOrth.
5.CC.30Adamsite-(Y)NaY[CO3]2 · 6H2OTric. 1 : P1
5.CC.35Decrespignyite-(Y)Cu(Y,REE)4(CO3)4(OH)5Cl · 2H2OMon.
5.CC.40Galgenbergite-(Ce)Ca(Ce,La,Nd)2(CO3)4 · H2OTric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.8.1Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2OOrth.
11.8.2Lanthanite-(La)(La,Ce)2(CO3)3 · 8H2OOrth.
11.8.3Lanthanite-(Ce)(Ce,La,Nd)2(CO3)3 · 8H2OOrth. mmm (2/m 2/m 2/m)
11.8.4Lanthanite-(Nd)(Nd,La)2(CO3)3 · 8H2OOrth.
11.8.5Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)Hex. 6 : P6
11.8.6Hydroxylbastnäsite-(Nd)Nd(CO3)(OH)Hex.
11.8.7Hydroxylbastnäsite-(La)(La,Nd,Ce)(CO3)(OH,F)Hex.
11.8.8Rémondite-(Ce)Na3(Ce,La,Ca,Na,Sr)3(CO3)5Mon. 2 : P21
11.8.9Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm
11.8.11Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
11.8.12Calcioancylite-(Nd)Ca(Nd,La,Ce)(CO3)2(OH).H2OMon. m : Pm
11.8.13Calcioancylite-(Ce)(Ce,Ca,Sr)Ce(CO3)(OH,H2O)Orth. mmm (2/m 2/m 2/m)
11.8.14Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hex. 6mm : P63mc
11.8.15Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5Hex.
11.8.16Donnayite-(Y)NaCaSr3Y(CO3)6 · 3H2OTric. 1 : P1
11.8.17Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orth. mm2
11.8.18Ancylite-(Ce)CeSr(CO3)2(OH) · H2OOrth. mmm (2/m 2/m 2/m)
11.8.19EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
11.8.20Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
11.8.21Sahamalite-(Ce)(Mg,Fe)(Ce,La,Nd)2(CO3)4Mon. 2/m : P21/b

Fluorescence of Kimuraite-(Y)Hide

Bright reddish purple to purple under SW and LW

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.

References for Kimuraite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
NAGASHIMA, K., MIYAWAKI, R., TAKASE, J., NAKAI, I., SAKURAI, K., MATSUBARA, S., KATO, A. AND IWANO, S. (1986) Kimuraite, CaY2(CO3)4·6H2O a new mineral from fissures in an alkali olivine basalt from Saga Prefecture, Japan, and new data on lokkaite. American Mineralogist 71, 1028-1033.

Internet Links for Kimuraite-(Y)Hide

Localities for Kimuraite-(Y)Hide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Québec
    • Montérégie
      • Lajemmerais RCM
        • Varennes & St-Amable
          • Saint-Amable sill
R. Tibbit, Horváth & Can. Museum of Nature collections - XRD & EDS
Chile
 
  • Tarapacá Region
    • El Tamarugal Province
      • Pampa del Tamarugal
Gunnar Farber
Japan (TL)
 
  • Kyushu Region
    • Saga Prefecture
      • Karatsu City (Higashi-Matsuura-gun)
        • Hizen-cho
American Mineralogist: 71(7-8): 1028-1033.
Miyawaki R, Matsubara S, Yokoyama K, Iwano S, Hamasaki K, Yukinori I (2003) Kozoite-(La), La(CO3)(OH), a new mineral from Mitsukoshi, Hizen-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences 98, 137-141
Miyawaki, R., Matsubara, S., Yokoyama, K., Takeuchi, K., Terada, Y., & Nakai, I. (2000). Kozoite-(Nd), Nd (CO3)(OH), a new mineral in an alkali olivine basalt from Hizen-cho, Saga Prefecture, Japan. American Mineralogist, 85(7-8), 1076-1081.
Russia
 
  • Far-Eastern Region
    • Primorskiy Kray
      • Khanka Lake
V.V. Seredin data
Sweden
 
  • Dalarna
    • Borlänge
      • St Tuna
Mikael Janssons Collection; Verified by Veryfied: By XRD and SEM-EDS, 2014, The Swedish Museum of Natural History.
  • Uppland
    • Vaxholm
      • Resarö
No reference listed
  • Värmland
    • Filipstad
      • Persberg district
P.M. Kartashov data
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 16, 2017 22:48:46 Page generated: August 7, 2017 12:25:57
Go to top of page