Mineralogy Database

Idrialite Mineral Data

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General Idrialite Information

Help on Chemical  Formula: Chemical Formula: C22H14
Help on Composition: Composition: Molecular Weight = 278.35 gm
   Hydrogen   5.07 %  H
   Carbon    94.93 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: C22H14
Help on Environment: Environment: Mercury mine, mixed with cinnabar and clay.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Idria, Slovenia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Idrialite + Pronunciation Say IDRIALITE
Help on Synonym: Synonym: Curtisite

Idrialite Image

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Comments: Yellow platy crystalline idrialite on matrix.
Location: Skaggs Springs, Sonoma County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Idrialite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.257:1:4.3224
Help on Cell Dimensions: Cell Dimensions: a = 8.07, b = 6.42, c = 27.75, Z = 4; V = 1,437.71 Den(Calc)= 1.29
Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.94(1), 3.39(0.8), 4.04(0.6),

Physical Properties of Idrialite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Greenish yellow, Light brown, Colorless.
Help on Density: Density: 1.236
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luminescence: Luminescence: Fluorescent, Short UV=blue, orange, yellow, green white, Long UV=blue, orange, yellow white.
Help on Luster: Luster: Vitreous - Adamantine

Calculated Properties of Idrialite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.35 gm/cc
note: Specific Gravity of Idrialite =1.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEIdrialite = 0.14 barns/electron
U=PEIdrialite x rElectron Density= 0.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Idrialite is Not Radioactive

Idrialite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.03.08)Dana Group Idrialite C22H14 Unk Ortho
Help on  Strunz Class: Strunz Class: 10.BA.20 10 - ORGANIC COMPOUNDS
  10.B - Hydrocarbons
  10.BA -Hydrocarbons
10.BA.20 Idrialite C22H14 Unk Ortho

Other Idrialite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Idrialite :
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

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Dana No: Strunz No: 10.BA.20





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