Idrialite Mineral Data

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General Idrialite Information

Chemical Formula:

C22H14

Composition:

Molecular Weight = 278.35 gm

Hydrogen 5.07 % H

Carbon 94.93 % C

______

100.00 %

Empirical Formula:

C₂₂H₁₄

Environment:

Mercury mine, mixed with cinnabar and clay.

IMA Status:

Valid Species (Pre-IMA) 1832

Locality:

Idria, Slovenia. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Idrialite + Pronunciation

Synonym:

Curtisite

Idrialine

Picene

Idrialite Image

Images:

Idrialite

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

Axial Ratios:

a:b:c =1.257:1:4.3224

Cell Dimensions:

a = 8.07, b = 6.42, c = 27.75, Z = 4; V = 1,437.71 Den(Calc)= 1.29

Crystal System:

OrthorhombicSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.94(1), 3.39(0.8), 4.04(0.6),

Physical Properties of Idrialite

Cleavage:

{???} Perfect

Color:

Greenish yellow, Light brown, Colorless.

Density:

1.236

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

1.5 - Between Talc and Gypsum

Luminescence:

Fluorescent, Short UV=blue, orange, yellow, green white, Long UV=blue, orange, yellow white.

Luster:

Vitreous - Adamantine

Calculated Properties of Idrialite

Electron Density:

Bulk Density (Electron Density)=1.35 gm/cc
note: Specific Gravity of Idrialite =1.29 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Idrialite= 0.14 barns/electron
U=PE_Idrialite x rElectron Density= 0.19 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Idrialite is Not Radioactive

Idrialite Classification

Dana Class:

50.03.08.01 (50)Salts of Organic Acids

(50.03)(Hydrocarbons)

(50.03.08)Dana Group

50.03.08.01 Idrialite C22H14 Unk Ortho

Strunz Class:

10.BA.20 10 - ORGANIC COMPOUNDS

10.B - Hydrocarbons

10.BA -Hydrocarbons

10.BA.20 Idrialite C22H14 Unk Ortho

Other Idrialite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

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

Search for Idrialite using:

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Mineral News Website Link
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Ask about Idrialite 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 Idrialite Specimen Label here :

Idrialite

C22H14
Dana No: 50.03.08.01 Strunz No: 10.BA.20
Locality:

Notes: