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Carlosruizite

A valid IMA mineral species
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About CarlosruiziteHide

06690810014947087754743.jpg
Carlos Ruiz Fuller
Formula:
K6(Na,K)4Na6Mg10(SeO4)12(IO3)12 · 12H2O
Colour:
Colourless to pale yellow.
Lustre:
Vitreous
Hardness:
2½ - 3
Specific Gravity:
3.400 (Calculated)
Crystal System:
Trigonal
Name:
Named in 1994 by Judith A. Konnert, Howard T. Evans, Jr., James J. McGee, and George E. Ericksen in honor of Carlos Ruiz Fuller [September 23, 1916 Valparaiso, Chile – March 28, 1997 Santiago, Chile], first Director of the Chilean Geological Survey.
Isostructural with:
Carlosruizite-Fuenzalidaite Series. The Se analogue of fuenzalidaite. Unique combination of elements; the only selenate-iodate mineral known. The first Se-bearing material among the Chilean nitrate ores.

Leached from 'Caliche Amarillo'.

The structure is based on two complex slabs, normal to the c axis; each slab consists of a double layer formed by trigonal-pyramidal iodate groups, bounded at the top and bottom by layers of (Se,S,Cr)O4 groups. The layers are separated by K+, with Na+ and Mg2+ helding the layer complex together. The structure somewhat resembles that of alunite group members.


Unique IdentifiersHide

Mindat ID:
902
Long-form identifier:
mindat:1:1:902:5
GUID
(UUID V4):
f5f0bf4e-49ea-4f6b-8b64-a3664e7f8fc5

IMA Classification of CarlosruiziteHide

Approved
IMA Formula:
K3Na2Na3Mg5(IO3)6(SeO4)6 · 6H2O
First published:
1994

Classification of CarlosruiziteHide

7.DG.40

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
Dana 7th ed.:
23.1.2.2
23.1.2.2

23 : COMPOUND IODATES
1 : Miscellaneous

Mineral SymbolsHide

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

SymbolSourceReference
CrzIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of CarlosruiziteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless to pale yellow.
Hardness:
2½ - 3 on Mohs scale
Density:
3.400 g/cm3 (Calculated)

Optical Data of CarlosruiziteHide

Type:
Uniaxial (-)
RI values:
nω = 1.655(3) nε = 1.642(1)
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemistry of CarlosruiziteHide

Mindat Formula:
K6(Na,K)4Na6Mg10(SeO4)12(IO3)12 · 12H2O

Crystallography of CarlosruiziteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3c1
Setting:
P3c1
Cell Parameters:
a = 9.5901(8) Å, c = 27.56(2) Å
Ratio:
a:c = 1 : 2.874
Unit Cell V:
2,195.11 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Thin hexagonal plates. {0001} form, beveled by {1012}.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0001678CarlosruiziteKonnert J A, Evans H T, McGee J J, Ericksen G E (1994) Mineralogical studies of the nitrate deposits of Chile: VII. Two saline minerals with the composition K6(Na,K)4Na6Mg10(XO4)12(IO3)12.12H2O: Fuenzalidaite (X=S) and carlosruizite (X=Se) American Mineralogist 79 1003-100819940293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
13.75 Å(30)
7.10 Å(20)
3.561 Å(100)
3.082 Å(32)
3.058 Å(39)
2.715 Å(39)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
25 : Evaporites (prebiotic)

Type Occurrence of CarlosruiziteHide

General Appearance of Type Material:
Thin hexagonal plates up to 0.2 mm.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
"Caliche amarillo" (yellow nitrate ore) leachate.
Associated Minerals at Type Locality:

Synonyms of CarlosruiziteHide

Other Language Names for CarlosruiziteHide

Relationship of Carlosruizite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Carlosruizite associated with NitratineNaNO3

Related Minerals - Strunz-mindat GroupingHide

7.DG.MathesiusiteK5(UO2)4(SO4)4(VO5) · 4H2OTet. 4/m : P4/n
7.DG.05DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m : P21/m
7.DG.10Clinoungemachite(Na, K, Fe, SO4)Mon. 2/m
7.DG.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.10UngemachiteK3Na8Fe(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.15BentoriteCa6Cr2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15CharlesiteCa6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2OTrig. 3m : P3 1c
7.DG.15EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
7.DG.15SturmaniteCa6Fe3+2(SO4)2.5[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
7.DG.15ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
7.DG.15CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.
7.DG.15BuryatiteCa3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2OTrig. 3m : P3 1c
7.DG.15BiruniteCa18(SiO3)8.5(CO3)8.5SO4 · 15H2O(?)
7.DG.15HielscheriteCa3Si(SO4)(SO3)(OH)6 · 11H2OHex. 6 : P63
7.DG.15KottenheimiteCa 3Si(SO4)2(OH)6 · 12H2O Hex. 6/m : P63/m
7.DG.15ImayoshiiteCa3Al(CO3)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
7.DG.15TatarinoviteCa3Al(SO4)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
7.DG.15SiwaqaiteCa6Al2(CrO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15ChiyokoiteCa3Si(CO3)[B(OH)4]O (OH)5 · 12H2OHex. 6 : P63
7.DG.20RapidcreekiteCa2(SO4)(CO3) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
7.DG.25TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2OOrth.
7.DG.30NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2OOrth.
7.DG.35Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
7.DG.40FuenzalidaiteK6(Na,K)4Na6Mg10(SO4)12(IO3)12 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DG.45Chelyabinskite(Ca,Mg)3(SO4,CO3)2[Si(OH)6] · 9H2O (?)Orth.
7.DG.55Ramazzoite[Mg8Cu12(PO4)(CO3)4(OH)24(H2O)20][(H0.33SO4)3(H2O)36]Iso. 4 3m : P4 3m
7.DG.60WitzkeiteNa4K4Ca(NO3)2(SO4)4 · 2H2O Mon. 2/m : B2/b

Other InformationHide

Notes:
Slowly soluble in H2O
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CarlosruiziteHide

References for CarlosruiziteHide

Localities for CarlosruiziteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Chile (TL)
 
  • Tarapacá
    • Iquique Province
      • Iquique
The Mineralogical Record: 27: 201. +1 other reference
    • Tamarugal Province
Färber (n.d.)
 
Mineral and/or Locality  
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