Mineralogy Database

Ice Mineral Data

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General Ice Information

Help on Chemical  Formula: Chemical Formula: H2O
Help on Composition: Composition: Molecular Weight = 18.02 gm
   Hydrogen  11.19 %  H   100.00 % H2O
   Oxygen    88.81 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: •(H2O)
Help on Environment: Environment: Cold weather as snow crystals, coating ponds, glaciers, and icebergs.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: World wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Middle English "is" or "iis", related to the Dutch "ijs" and German "eis".
Help on Name Pronunciation: Name Pronunciation: Ice Say ICE
 

Ice Image

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  Ice

Comments: White to clear crystals of ice formed on a window at -15 Deg. C.
Location: Minot, North Dakota, USA. Scale: Picture Size 30 cm.
© Dave Barthelmy

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  Ice

Comments: Classic snowflake (stellar dendrite ice crystal) formed from vapor-rich air between -10 to -22 deg C. Low Temperature Scanning Electron Microscope (LT-SEM) image with inset light microscope image.
Location: Unknown. Scale: Picture size 0.25 mm.
© Eric Erbe / Beltsville Agricultural Research Center

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  Ice

Comments: Rimed ice crystal. Composite column and plate crystal covered with tubercle deposits from contact with liquid water (supercooled fog). Low Temperature Scanning Electron Microscope (LT-SEM) image.
Location: Unknown. Scale: Picture size 1 mm.
© Eric Erbe / Beltsville Agricultural Research Center

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  Ice

Comments: Hexagonal ice plate formed from vapor deposition in air at 0 to -3 or -10 to -35 deg. C. Low Temperature Scanning Electron Microscope (LT-SEM) image with inset light microscope image.
Location: Unknown. Scale: Picture size 0.6 mm.
© Eric Erbe / Beltsville Agricultural Research Center

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  Ice

Comments: Acicular ice crystals formed from vapor deposition in air at -3 to -10 deg. C. Low Temperature Scanning Electron Microscope (LT-SEM) image with inset light microscope image.
Location: Unknown. Scale: Picture size 2 mm.
© Eric Erbe / Beltsville Agricultural Research Center

Ice Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.62971
Help on Cell Dimensions: Cell Dimensions: a = 4.51, c = 7.35, Z = 4; V = 129.47 Den(Calc)= 0.92
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.66(1), 3.9(1), 2.25(0.9),
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: ( 0 1 0) ( 0 0 1)

Warning: this java applet does not work in some browsers because of security restrictions.

 

Physical Properties of Ice

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Pale blue, Greenish blue, White.
Help on Density: Density: 0.9167
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Dendritic - Branching "tree-like" growths of great complexity (e.g. pyrolusite).
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Ice

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.043 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.039 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3533,KPDmeas= 0.3545,KC= 0.34
Ncalc = 1.31
Help on Optical Data: Optical Data: Uniaxial (?), a=1.32, b=1.33, bire=0.0100.
 

Calculated Properties of Ice

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.02 gm/cc
note: Specific Gravity of Ice =0.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004430735
Boson Index = 0.9995569265
Help on Photoelectric: Photoelectric: PEIce = 0.36 barns/electron
U=PEIce x rElectron Density= 0.36 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ice is Not Radioactive
 

Ice Classification

Help on  Dana Class: Dana Class: 04.01.02.01 (04)Simple Oxides
  (04.01)with a cation charge of 1+ (A+2 O)
  (04.01.02)Dana Group
 
04.01.02.01 Ice H2O P 63/mmc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.AA.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.A - Metal:Oxygen = 2.1 and 1:1
  04.AA -Cation:Anion (M:O) = 2:1 (and 1.8:1)
 
04.AA.05 Ice H2O P 63/mmc 6/m 2/m 2/m
 

Other Ice Information

Help on References: References: NAME( Dana8) 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 Ice :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - GeoScienceWorld
5 - Glendale Community College
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineral and Gemstone Kingdom
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - Philatelic Mineralogy
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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

Ice

H2O
Dana No: 04.01.02.01 Strunz No: 04.AA.05
Locality:

 

Notes:

 

 
   
 


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