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Ruizite

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Joe Ruiz and Dick Thomssen
Formula:
Ca2Mn23+[(OH)2|H2Si4O13] · 2H2O
System:
Monoclinic
Colour:
orange, red-brown
Hardness:
5
Name:
Named after Mr. Joe Ana Ruiz, Pharmacist, Justice of the Peace, mineralogist and mineral collector of Mammoth, Arizona.
Isostructural with:
This page provides mineralogical data about Ruizite.

Classification of Ruizite

Approved 1977
9.BJ.35

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
57.2.2.1

57 : SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups
2 : Insular Si3O10 and Larger Noncyclic Groups with [Si4O13] groups
14.18.23

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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Type Occurrence of Ruizite

Place of Conservation of Type Material:
Smithsonian 136689
Year of Discovery:
1977
Geological Setting of Type Material:
Cooling of a high temperature calc-silicate rock under oxidizing conditions.

Physical Properties of Ruizite

Diaphaneity (Transparency):
Translucent
Colour:
orange, red-brown
Streak:
apricot yellow
Hardness (Mohs):
5
Density:
2.9(1) g/cm3 (Measured)    2.997 g/cm3 (Calculated)

Crystallography of Ruizite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 11.95Å, b = 6.17Å, c = 9.03Å
β = 91.37°
Ratio:
a:b:c = 1.937 : 1 : 1.464
Unit Cell Volume:
V 665.61 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Euhedral prismatic crystals to 1mm, spherules of radial acicular crystals.
Twinning:
Common on {100}

Optical Data of Ruizite

Type:
Biaxial (-)
RI values:
nα = 1.663 nβ = 1.715 nγ = 1.734
2V:
Measured: 60° , Calculated: 60°
Max Birefringence:
δ = 0.071
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
strong r > v

Chemical Properties of Ruizite

Formula:
Ca2Mn23+[(OH)2|H2Si4O13] · 2H2O
Essential elements:
All elements listed in formula:

Relationship of Ruizite to other Species

9.BJ.05OrientiteCa8Mn103+(SiO4)3(Si3O10)3(OH)10 · 4H2O
9.BJ.10RosenhahniteHCa3[Si3O9(OH)]
9.BJ.15TrabzoniteCa4(Si3O9)(OH)2
9.BJ.20Thalénite-(Y)Y3Si3O10F
9.BJ.25TiragalloiteMn42+(HAsSi3O13)
9.BJ.30Medaite(Mn,Ca)6(V,As)Si5O18OH
9.BJ.40Ardennite-(As)Mn42+Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6
9.BJ.40Ardennite-(V)Mn42+Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6
9.BJ.45KilchoaniteCa6(SiO4)(Si3O10)
9.BJ.50KornerupineMg3Al6(Si,Al,B)5O21(OH)
9.BJ.50Prismatine(◻,Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22
9.BJ.55ZunyiteAl13Si5O20(OH,F)18Cl
9.BJ.60HubeiteCa2Mn2+Fe3+[HSi4O13] · 2H2O
9.BJ.65Cassagnaite(Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2(Si3O10)(SiO4)2(OH,O)8
14.18.1Nambulite(Li,Na)Mn4Si5O14(OH)
14.18.2Natronambulite(Na,Li)(Mn,Ca)4Si5O14OH
14.18.3ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2O
14.18.4NorrishiteKLiMn23+(Si4O10)O2
14.18.5Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2O
14.18.6AbswurmbachiteCuMn63+(SiO4)O8
14.18.7Donpeacorite(Mn2+,Mg)Mg[SiO3]2
14.18.8KanoiteMn2+(Mg,Mn2+)Si2O6
14.18.9Caryopilite(Mn,Mg)3(Si2O5)(OH)4
14.18.10Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
14.18.11Tirodite
14.18.12Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2
14.18.13BustamiteCaMn2+(Si2O6)
14.18.14GlaucochroiteCaMn2+SiO4
14.18.15Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
14.18.16SantaclaraiteCaMn4[Si5O14OH](OH) · H2O
14.18.17FerrobustamiteCaFe2+(Si2O6)
14.18.18JohannseniteCaMn2+Si2O6
14.18.19NeltneriteCaMn63+(SiO4)O8
14.18.20OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2O
14.18.21InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
14.18.22OrientiteCa8Mn103+(SiO4)3(Si3O10)3(OH)10 · 4H2O
14.18.24BostwickiteCaMn6Si3O16 · 7H2O
14.18.25KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2O
14.18.26LithiomarsturiteLiCa2Mn2Si5O14(OH)
14.18.27SéranditeNa(Mn2+,Ca)2(HSi3O9)
14.18.28KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2
14.18.29MarsturiteNaCaMn3Si5O14(OH)
14.18.30RaiteNa4Mn32+Ti0.25Si8O20(OH)2 · 10H2O
14.18.31Richterite{Na}{CaNa}{Mg5}(Si8O22)(OH)2
14.18.32Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
14.18.33Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
14.18.34Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
14.18.35PyroxmangiteMnSiO3
14.18.36Dannemorite
14.18.37Neotocite(Mn,Fe,Mg)SiO3 · H2O
14.18.38BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
14.18.39ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)
14.18.40ÖrebroiteMn32+(Sb5+,Fe3+)(SiO4)(O,OH)3

Other Names for Ruizite

Name in Other Languages:
German:Ruizit
Russian:Руицит
Spanish:Ruizita

Other Information

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 Ruizite

Reference List:
American Mineralogist (1978): 63: 794-795.

Moore, P.B., J. Shen, and T. Araki (1985) Crystal chemistry of the 2∞[M 3+ 2ф2(TO4)2] sheet: structural principles and crystal structures of ruizite, macfallite and orientite. American Mineralogist (1985): 70: 171-181.

Tschermaks Mineralogische und Petrographische Mitteilungen: 33: 135-146.

Internet Links for Ruizite

Localities for Ruizite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Italy
 
  • Liguria
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
Balestra, C., Kolitsch, U., Blass, G., Callegari, A.M., Boiocchi, M., Armellino, G., Ciriotti, M.E., Ambrino, P. Bracco, R. (2009): Mineralogia ligure 2007-2008: novità caratterizzate dal Servizio UK dell’AMI. Micro, 1-2009, 78-99.
South Africa
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
Von Bezing, K. L. et al. (1991) The Kalahari manganese field: An Update, Mineralogical Record 22(4) 279-302;
      • Kuruman
        • N'Chwaning Mines
Y.Okazaki collection
Minerals of South Africa
USA (TL)
 
  • Arizona
    • Gila Co.
      • Dripping Spring Mts
        • Banner District
          • Christmas area
            • Christmas
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 231, 358. ; Bob Meyer (2012) Micro Mineral Collector. Friends of Mineralogy National Newsletter 42:10-13
  • Pennsylvania
    • Lebanon Co.
      • Cornwall Borough (Cornwall)
Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.
Mineral and/or Locality  
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