Ruizite Mineral Data

Ruizite Mineral Data
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General Ruizite Information

Help on Chemical Formula: Chemical Formula: CaMn+++Si2O6(OH)•2(H2O)
Help on Composition: Composition: Molecular Weight = 300.22 gm
   Calcium    13.35 %  Ca   18.68 % CaO
   Manganese  18.30 %  Mn   26.29 % Mn2O3
   Silicon    18.71 %  Si   40.03 % SiO2
   Hydrogen    1.68 %  H    15.00 % H2O
   Oxygen     47.96 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMn3+Si2O6(OH)•2(H2O)
Help on Environment: Environment: In veinlets and on fracture surfaces in metalimestones, formed during cooling of a high-temperature calc-silicate assemblage under oxidizing conditions
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: In the Christmas copper mine, Christmas, Gila Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Joe Ana Ruiz, of Mammoth, Arizona, USA, collector of microscopic minerals, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Ruizite Say RUIZITE
Help on Synonym: Synonym: ICSD 30691
  PDF 29-350
 

Ruizite Image

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Ruizite   Inesite

Comments: 1- 3 mm crystal spray of red orange ruizite in an exposed vug in pink inesite.
Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Picture size 1 cm.
© John Veevaert
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Ruizite

Comments: Deep reddish brown crystals of ruizite as radial, acicular sprays to 0.1mm.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Ruizite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.9367:1:1.4635
Help on Cell Dimensions: Cell Dimensions: a = 11.95, b = 6.17, c = 9.03, Z = 4; beta = 99.375° V = 656.90 Den(Calc)= 3.04
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 11.951(1), 4.19(0.7), 3.116(0.6),
Click Here for Large Ruizite Structure Window Crystal Structure:

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Moore P B , Shen J , Araki T , American Mineralogist , 70 (1985) p.171-181, Crystal chemistry of the (M2)3+ phi2 sheet: Structural principles and crystal, structures of ruizite, macfallite and orientite

 

Physical Properties of Ruizite

Help on Color: Color: Brown, Orange.
Help on Density: Density: 2.9
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 5 - Apatite
Help on Streak: Streak: apricot yellow
 

Optical Properties of Ruizite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.039 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.083 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2316,KPDmeas= 0.2428,KC= 0.2526
Ncalc = 1.73 - 1.77
Help on Optical Data: Optical Data: Biaxial (-), a=1.663, b=1.715, g=1.734, bire=0.0710, 2V(Calc)=60, 2V(Meas)=60.
 

Calculated Properties of Ruizite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.90 gm/cc
note: Specific Gravity of Ruizite =2.90 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.009150463
Boson Index = 0.990849537
Help on Photoelectric: Photoelectric: PERuizite = 6.94 barns/electron
U=PERuizite x rElectron Density= 20.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ruizite is Not Radioactive
 

Ruizite Classification
Help on Dana Class: Dana Class: 57.02.02.01 (57)Sorosilicate Insular Si3O10 and Larger Noncyclic Groups
  (57.02)with [Si4O13] groups
  (57.02.02)Dana Group
 
57.02.02.01 Ruizite CaMnSi2O6(OH)•2(H2O) P 21/c 2/m
Help on Strunz Class: Strunz Class: 09.BJ.35 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BJ -Sorosilicates with Si3O10, Si4O11, etc
 
09.BJ.35 Ruizite CaMnSi2O6(OH)•2(H2O) P 21/c 2/m
 

Other Ruizite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Ruizite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Ruizite Specimen Label here :

Ruizite

CaMn+++Si2O6(OH)•2(H2O)
Dana No: 57.02.02.01 Strunz No: 09.BJ.35
Locality:

 

Notes: