Smithsonite Mineral Data + Say SMITHSONITE

General Smithsonite Information
Help on Chemical Formula: Chemical Formula: ZnCO3
Help on Composition: Composition: Molecular Weight = 125.40 gm
   Zinc    52.15 %  Zn   64.90 % ZnO
   Carbon   9.58 %  C    35.10 % CO2
   Oxygen  38.28 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn(CO3)
Help on Environment: Environment: Commonly found as an oxidation product of Zn-bearing ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Mendips at Derbyshire, UK. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after James Smithson (1765-1829), English mineralogist who financed the founding of the Smithsonian Institution in Washington, DC, USA.
Help on Synonym: Synonym: Calamine
  Galmei
  ICSD 100679
  PDF 8-449
  Zinc spar
 

Smithsonite Image

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

Smithsonite   Creedite

Comments: Purple transparent crystals of creedite to 6 mm on matrix of creamy botryoidal crystalline smithsonite.
Location: Level 8 San Antonio mine, Santa Eulalia, Chihuahua, Mexico. Scale: 7 x 3.5 x 2 cm.
© Dan Weinrich
Click Here for Larger Smithsonite Image in a New Browser Window Images:
Click Here for Larger Smithsonite Image

Smithsonite

Comments: Twinned crystals of smithsonite on matrix.
Location: Ojuela mine, Mapimi, Durango, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Smithsonite Image in a New Browser Window Images:
Click Here for Larger Smithsonite Image

Smithsonite   Murdochite

Comments: Dark metallic micro crystals of murdochite on pale blue-gray smithsonite crystal covered matrix.
Location: Silver Hill Mine group, Silver Hill, Waterman District, Waterman Mts, Pima Co., Arizona, USA. Scale: 5x4x2 cm.
© John Betts - Fine Minerals
Click Here for Larger Smithsonite Image in a New Browser Window Images:
Click Here for Larger Smithsonite Image

Smithsonite

Comments: Yellow, cadmian-bearing smithsonite crystalline aggregate.
Location: Rush Mine in Marion County, Arkansas, USA. Scale: 6.5 x 11 cm.
© Kevin Ward

Smithsonite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.22974
Help on Cell Dimensions: Cell Dimensions: a = 4.653, c = 15.028, Z = 6; V = 281.77 Den(Calc)= 4.43
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.75(1), 3.55(0.5), 1.703(0.45),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: [ 1 0 2] [ 1 1 1]

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Smithsonite 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


Graf D L , American Mineralogist , 46 (1961) p.1283-1316, Crystallographic tables for the rhombohedral carbonates

 

Physical Properties of Smithsonite

Help on Cleavage: Cleavage: [1011] Perfect, [1011] Perfect, 1011 Perfect
Help on Color: Color: Grayish white, Dark gray, Green, Blue, Yellow.
Help on Density: Density: 4.4 - 4.5, Average = 4.45
Help on Diaphaniety: Diaphaniety: Subtransparent to translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Reniform - "Kidney like" in shape (e.g.. hematite).
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Smithsonite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): colorless.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.062 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.057 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1665,KPDmeas= 0.1657,KC= 0.1766
Help on Optical Data: Optical Data: Uniaxial (-), e=1.625, w=1.85, bire=0.2250.
 

Calculated Properties of Smithsonite

Help on Electron Density: Electron Density:

relectron=4.24 gm/cc
note: rSmithsonite =4.43 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.02261
Boson Index = 0.97739
Help on Photoelectric: Photoelectric:

PESmithsonite = 26.17 barns/electron
U=PESmithsonite x relectron= 110.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Smithsonite is Not Radioactive
 

Smithsonite Classification
Help on Dana Class: Dana Class: 14.1.1.6 (14)Anhydrous Carbonates
  (14.1)with Simple Formula A+ CO3
  (14.1.1)Calcite Group (Trigonal: R3¯c)
 
14.1.1.1 Calcite CaCO3 R 3c 3 2/m
 
14.1.1.2 Magnesite MgCO3 R 3c 3 2/m
 
14.1.1.3 Siderite FeCO3 R 3c 3 2/m
 
14.1.1.4 Rhodochrosite MnCO3 R 3c 3 2/m
 
14.1.1.5 Sphaerocobaltite CoCO3 R 3c 3 2/m
 
14.1.1.6 Smithsonite ZnCO3 R 3c 3 2/m
 
14.1.1.7 Otavite CdCO3 R 3c 3 2/m
 
14.1.1.8 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
Help on Strunz Class: Strunz Class: V/B.02-60 V - Nitrates, Carbonates and Borates
  V/B - Waterfree carbonates [CO3]2- without unfamiliar anions
  V/B.02 - Calcite group
 
V/B.02-10 Vaterite CaCO3 P 63/mmc 6/m 2/m 2/m
 
V/B.02-20 Calcite CaCO3 R 3c 3 2/m
 
V/B.02-30 Magnesite MgCO3 R 3c 3 2/m
 
V/B.02-40 Siderite FeCO3 R 3c 3 2/m
 
V/B.02-50 Rhodochrosite MnCO3 R 3c 3 2/m
 
V/B.02-60 Smithsonite ZnCO3 R 3c 3 2/m
 
V/B.02-70 Sphaerocobaltite CoCO3 R 3c 3 2/m
 
V/B.02-80 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
 
V/B.02-90 Otavite CdCO3 R 3c 3 2/m
 

Other Smithsonite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Mason68)
Help on See Also: See Also: Links to other databases for Smithsonite :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 - Franklin Minerals(Dunn) 8 - Franklin Minerals(Palache) 9 - Glendale Community College 10 -Google Images 11 -Google Scholar 12 -Handbook of Mineralogy (UofA) 13 - HyperPhysics 14 -MinDAT 15 -MinMax(Deutsch) 16 -MinMax(English) 17 - Mineral and Gemstone Kingdom 18 -Mineralienatlas (Deutsch) 19 - Minerals of Wisconsin 20 -QUT Mineral Atlas 21 -University of Colorado - Mineral Structure Data 22 - WWW-MINCRYST 23 - YupRocks 24 -theimage 25 -École des Mines de Paris

Search for Smithsonite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Smithsonite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Smithsonite Mineral Data :

Ask about Smithsonite 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 Español

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

Smithsonite

ZnCO3
Dana No: 14.1.1.6 Strunz No: V/B.02-60
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links