Spurrite  Mineral Data

Spurrite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Hudson Institute of Mineralogy
Adamsminerals.com- Online mineral store front for mineral collectors
Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.
McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

General Spurrite Information

Help on Chemical  Formula: Chemical Formula: Ca5(SiO4)2(CO3)
Help on Composition: Composition: Molecular Weight = 444.57 gm
   Calcium  45.08 %  Ca   63.07 % CaO
   Silicon  12.64 %  Si   27.03 % SiO2
   Carbon    2.70 %  C     9.90 % CO2
   Oxygen   39.59 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(SiO4)2(CO3)
Help on Environment: Environment: Contact zone between limestone and diorite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1908
Help on Locality: Locality: Velardena mining district, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Josiah Edward Spurr (1870-1950), American geologist.
Help on Name Pronunciation: Name Pronunciation: Spurrite Say SPURRITE
Help on Synonym: Synonym: ICSD 25830
  PDF 13-496
 

Spurrite Image

Click Here for Larger Spurrite Image in a New Browser Window Images:
Click Here for Larger Spurrite Image

Spurrite   Bredigite

Comments: White veins of bredigite in massive gray spurrite (slabbed specimen).
Location: Camphouse, Ardnamurchan, Argyll, Highland, Scotland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Click Here for Larger Spurrite Image in a New Browser Window Images:
Click Here for Larger Spurrite Image

Spurrite

Comments: Dark to light purple massive spurrite (cut face).
Location: South Sister Peak, Tres Hermanas Mountains, Luna County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Spurrite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.5645:1:2.1103
Help on Cell Dimensions: Cell Dimensions: a = 10.49, b = 6.705, c = 14.15, Z = 4; beta = 101.317° V = 975.90 Den(Calc)= 3.03
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.701(1), 2.646(0.65), 2.667(0.6),
Click Here for Large Spurrite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate

Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above


Grice J D , The Canadian Mineralogist , 43 (2005) p.1489-1500, The structure of spurrite, tilleyite and scawtite,, and relationships to other silicate-carbonate minerals, Locality: Cornet Hill, Apuseni Mountains, Romania

View Additional jPOWD Structure files for Spurrite
[1]
 

Physical Properties of Spurrite

Help on Cleavage: Cleavage: {100} Distinct
Help on Color: Color: Gray, Gray white, Lilac gray.
Help on Density: Density: 3
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Cleaveable - Easily cleaved into fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Luminescence, Short UV=Green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Spurrite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.058 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2195,KPDmeas= 0.2217,KC= 0.2096
Ncalc = 1.63
Help on Optical Data: Optical Data: Biaxial (-), a=1.64-1.641, b=1.674-1.676, g=1.679-1.681, bire=0.0390-0.0400
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Spurrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Spurrite =3.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0069962935
Boson Index = 0.9930037065
Help on Photoelectric: Photoelectric: PESpurrite = 6.04 barns/electron
U=PESpurrite x rElectron Density= 18.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Spurrite is Not Radioactive
 

Spurrite Classification

Help on  Dana Class: Dana Class: 53.01.01.01 (53)Nesosilicate Insular SiO4 Groups and Other Anions of Complex Cations
  (53.01)with (CO3)
  (53.01.01)Dana Group
 
53.01.01.01 Spurrite Ca5(SiO4)2(CO3) P 21/a 2/m
Help on  Strunz Class: Strunz Class: 09.AH.15 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AH -Nesosilicates with CO3, SO4, PO4, etc.
 
09.AH.15 Paraspurrite Ca5(SiO4)2(CO3) P 21/a 2/m
 
09.AH.15 Spurrite Ca5(SiO4)2(CO3) P 21/a 2/m
 

Other Spurrite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Spurrite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Spurrite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Spurrite :

A Bijoux Google Search for Spurrite
Adam's Minerals Google Search for Spurrite
Cape Minerals Google Search for Spurrite
Dakota Matrix Minerals Google Search for Spurrite
Excalibur Mineral Corp. Google Search for Spurrite
Exceptional Minerals Google Search for Spurrite
John Betts Fine Minerals Search for Spurrite
McDougall Minerals Google Search for Spurrite
Mineral News Website Link
Rock and Mineral Shows Google Search for Spurrite
Weinrich Minerals, Inc. Google Search for Spurrite

Ask about Spurrite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Spurrite

Ca5(SiO4)2(CO3)
Dana No: 53.01.01.01 Strunz No: 09.AH.15
Locality:

 

Notes: