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Ruizite

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Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon Co., Pennsylvania, USA
© Van King

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Formula:
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
System:MonoclinicColour:orange, red-brown
Hardness:5
Name:
Named after Mr. Joe Ana Ruiz, Pharmacist, Justice of the Peace, mineralogist and mineral collector of Mammoth, Arizona.
This page provides mineralogical data about Ruizite.

Classification of Ruizite

IMA status:Approved 1977
Strunz 8th edition ID:8/C.35-10
Nickel-Strunz 10th (pending) edition ID:9.BJ.35

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID:57.2.2.1

57 : SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups
2 : Insular Si3O10 and Larger Noncyclic Groups with [Si4O13] groups
Hey's CIM Ref.: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

Type Locality:Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts), Christmas, Christmas area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA
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 (measured):2.9(1) g/cm3
Density (calculated):2.997 g/cm3

Crystallography of Ruizite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
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°
Maximum Birefringence:δ = 0.071

Chart 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:
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
Essential elements:Ca, H, Mn, O, Si
All elements listed in formula:Ca, H, Mn, O, Si

Relationship of Ruizite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BJ.05Orientite
Ca
 
2
Mn
2+
 
Mn
3+
2
(Si
 
3
O
 
10
)(OH)
 
4
9.BJ.10Rosenhahnite
HCa
 
3
[Si
 
3
O
 
9
(OH)]
9.BJ.15Trabzonite
Ca
 
4
(Si
 
3
O
 
10
) · 2H
 
2
O
9.BJ.20Thalénite-(Y)
Y
 
3
(Si
 
3
O
 
10
)(OH)
9.BJ.20Fluorthalénite-(Y)
Y
 
3
(Si
 
3
O
 
10
)F
9.BJ.25Tiragalloite
Mn
2+
4
(HAsSi
 
3
O
 
13
)
9.BJ.30Medaite
(Mn,Ca)
 
6
(V,As)Si
 
5
O
 
18
OH
9.BJ.40Ardennite-(As)
Mn
2+
4
(Al,Mg)
 
6
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(AsO
 
4
,VO
 
4
)(OH)
 
6
9.BJ.40Ardennite-(V)
Mn
2+
4
Al
 
4
(Mg,Al,Fe
3+
 
,Mn
3+
 
)
 
2
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(VO
 
4
,SiO
 
4
)(OH)
 
6
9.BJ.45Kilchoanite
Ca
 
3
Si
 
2
O
 
7
9.BJ.50Kornerupine
Mg
 
3
Al
 
6
(Si,Al,B)
 
5
O
 
21
(OH)
9.BJ.50Prismatine
(◻,Fe,Mg)(Mg,Al,Fe)
 
5
Al
 
4
Si
 
2
(Si,Al)
 
2
(B,Si,Al)(O,OH,F)
 
22
9.BJ.55Zunyite
Al
 
13
Si
 
5
O
 
20
(OH,F)
 
18
Cl
9.BJ.60Hubeite
Ca
 
2
Mn
2+
 
Fe
3+
 
[HSi
 
4
O
 
13
] · 2H
 
2
O
9.BJ.65Cassagnaite
(Ca,Mn
2+
 
)
 
4
(Fe
3+
 
,Mn
3+
 
,Al)
 
4
(V
3+
 
,Mg,Al)
 
2
(Si
 
3
O
 
10
)(SiO
 
4
)
 
2
(OH,O)
 
8
Related Minerals - Hey's Index Grouping:

- +
14.18.1Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
14.18.2Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
14.18.3Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
 · 6H
 
2
O
14.18.4Norrishite
KLiMn
3+
2
(Si
 
4
O
 
10
)O
 
2
14.18.5Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
 · 6H
 
2
O
14.18.6Abswurmbachite
CuMn
3+
6
(SiO
 
4
)O
 
8
14.18.7Donpeacorite
(Mn
2+
 
,Mg)Mg[SiO
 
3
]
 
2
14.18.8Kanoite
Mn
2+
 
(Mg,Mn
2+
 
)Si
 
2
O
 
6
14.18.9Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
14.18.10Gonyerite
(Mn
2+
 
,Mg)
 
5
Fe
3+
 
(Fe
3+
 
Si
 
3
O
 
10
)(OH)
 
8
14.18.11Tirodite
14.18.12Manganhumite
(Mn
2+
 
,Mg)
 
7
(SiO
 
4
)
 
3
(OH)
 
2
14.18.13Bustamite
CaMn
2+
 
(Si
 
2
O
 
6
)
14.18.14Glaucochroite
CaMn
2+
 
SiO
 
4
14.18.15Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
 · 2H
 
2
O
14.18.16Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH) · H
 
2
O
14.18.17Ferrobustamite
Ca(Fe
2+
 
,Ca,Mn
2+
 
)(Si
 
2
O
 
6
)
14.18.18Johannsenite
CaMn
2+
 
Si
 
2
O
 
6
14.18.19Neltnerite
CaMn
3+
6
(SiO
 
4
)O
 
8
14.18.20Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
 · 2H
 
2
O
14.18.21Inesite
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
 · 5H
 
2
O
14.18.22Orientite
Ca
 
2
Mn
2+
 
Mn
3+
2
(Si
 
3
O
 
10
)(OH)
 
4
14.18.24Bostwickite
CaMn
 
6
Si
 
3
O
 
16
 · 7H
 
2
O
14.18.25Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
 · 9H
 
2
O
14.18.26Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
14.18.27Sérandite
Na(Mn
2+
 
,Ca)
 
2
(HSi
 
3
O
 
9
)
14.18.28Kvanefjeldite
Na
 
4
(Ca,Mn)(Si
 
3
O
 
7
)
 
2
(OH)
 
2
14.18.29Marsturite
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
14.18.30Raite
Na
 
4
Mn
2+
3
Ti
 
0.25
Si
 
8
O
 
20
(OH)
 
2
 · 10H
 
2
O
14.18.31Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.18.32Byelorussite-(Ce)
NaBa
 
2
Ce
 
2
MnTi
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(F,OH) · H
 
2
O
14.18.33Deerite
(Fe,Mn)
 
6
(Fe,Al)
 
3
[Si
 
6
O
 
17
]O
 
3
(OH)
 
5
14.18.34Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
14.18.35Pyroxmangite
MnSiO
 
3
14.18.36Dannemorite
14.18.37Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
14.18.38Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
14.18.39Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
14.18.40Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)(SiO
 
4
)(O,OH)
 
3

Other Names for Ruizite

Synonyms:
IMA1977-007
Other Languages:
German:Ruizit
Russian:Руицит
Spanish:Ruizita

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 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

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  • Raman and XRD data at RRUFF project
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  • Ruizite details from Handbook of Mineralogy (PDF)
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    • Localities for Ruizite

    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.
    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 fields
        • Hotazel
    		[Von Bezing, K. L. et al. (1991) - The Kalahari manganese field : an update, Mineralogical Record, 22 (3), 279-302]
        • Kuruman
          • N'Chwaning Mines
    		Y.Okazaki collection
    Minerals of South Africa
    USA
     
    • Arizona
      • Gila Co.
        • Dripping Spring Mts
          • Banner District
            • Christmas area
              • Christmas
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 231, 358.
    • 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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