Mineralogy Database

Priceite Mineral Data

Search Webmineral :

General Priceite Information

Help on Chemical  Formula: Chemical Formula: Ca2B5O7(OH)5•H2O
Help on Composition: Composition: Molecular Weight = 349.25 gm
   Calcium   22.95 %  Ca   32.11 % CaO
   Boron     15.48 %  B    49.83 % B2O3
   Hydrogen   2.02 %  H    18.05 % H2O
   Oxygen    59.55 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2B5O7(OH)5•(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1873
Help on Locality: Locality: Chetco, Curry County, Oregon, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the American metallurgist, Thomas Price (1837-?), San Francisco metallurgist, who first analyzed the mineral.
Help on Name Pronunciation: Name Pronunciation: Priceite Say PRICEITE
Help on Synonym: Synonym: Pandermite

Priceite Image

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

  Ginorite   Priceite

Comments: Clear platy crystalline coatings of ginorite on rock with white priceite.
Location: Corkscrew Canyon, Death Valley, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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


Comments: Botryoidal priceite aggregate.
Location: Lone Randi Quarry, Curry County, Oregon, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Priceite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.6661:1:1.7703
Help on Cell Dimensions: Cell Dimensions: a = 11.623, b = 6.976, c = 12.35, Z = 4; beta = 110.7° V = 936.72 Den(Calc)= 2.48
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.63(1), 10.92(1), 5.46(0.8),

Physical Properties of Priceite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: White.
Help on Density: Density: 2.42
Help on Fracture: Fracture: Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Concretionary - Rounded massive fine-grained materials.
Help on Habit: Habit: Cryptocrystalline - Occurs as crystals too small to distinguish with the naked eye.
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luminescence: Luminescence: Fluorescent, Short UV=white, Long UV=white.
Help on Luster: Luster: Earthy (Dull)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Priceite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.236,KPDmeas= 0.2419,KC= 0.236
Ncalc = 1.57 - 1.59
Help on Optical Data: Optical Data: Biaxial (-), a=1.571-1.573, b=1.59-1.591, g=1.593-1.594, bire=0.0210-0.0220, 2V(Calc)=42-44, 2V(Meas)=32-44. Dispersion r < v strong.

Calculated Properties of Priceite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.50 gm/cc
note: Specific Gravity of Priceite =2.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEPriceite = 3.02 barns/electron
U=PEPriceite x rElectron Density= 7.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Priceite is Not Radioactive

Priceite Classification

Help on  Dana Class: Dana Class: (25)Anhydrous Borates Containing Hydroxyl or Halogen
  (25.05)Dana Type
  (25.05.01)Dana Group Priceite Ca2B5O7(OH)5•H2O P 21/c 2/m
Help on  Strunz Class: Strunz Class: 06.EB.25 06 - BORATES
  06.E - Pentaborates
  06.EB -Ino-pentaborates
06.EB.25 Priceite Ca2B5O7(OH)5•H2O P 21/c 2/m

Other Priceite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Priceite :
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

Search for Priceite using:

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

Visit our Advertisers for Priceite :

Ask about Priceite 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 Espa´┐Żol

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


Dana No: Strunz No: 06.EB.25





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.