Haradaite Mineral Data

Advertisment

A Bijoux.com is an online store specialized in the sale on the internet of precious stones , gems , minerals and jewels for individuals and professionals

Adamsminerals.com- Online mineral store front for mineral collectors

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Exceptional Minerals features excellent, high quality mineral specimens for sale. We also have a weekly Best Offer Mineral Auction.

General Haradaite Information

Chemical Formula:

Sr4V++++4Si8O28

Composition:

Molecular Weight = 1,221.38 gm

Barium 4.50 % Ba 5.02 % BaO

Strontium 22.96 % Sr 27.15 % SrO

Calcium 0.98 % Ca 1.38 % CaO

Aluminum 0.22 % Al 0.42 % Al₂O₃

Vanadium 16.27 % V 29.04 % V₂O₅

Silicon 18.40 % Si 39.36 % SiO₂

Oxygen 36.68 % O

______ ______

100.00 % 102.36 % = TOTAL OXIDE

Empirical Formula:

Sr_3.2Ba_0.4Ca_0.3Al_0.1V⁵⁺_3.9Si₈O₂₈

Environment:

In coarse-grained rhodonite ore (Noda-Tamagawa mine, Japan); as veinlets cutting rhodonite-goldmanite ore (Yamato mine, Japan).

IMA Status:

Approved IMA 1974

Locality:

In Japan, in the Yamato mine and on Amamioshima Island, Kagoshima Prefecture; in the Noda-Tamagawa mine, Iwate Prefecture; and in the Matsuo mine, Kochi Prefecture. Link to MinDat.org Location Data.

Name Origin:

Named for Zyunpei Harada (1898{1992), Emeritus Professor, Hokkaido University, Sapporo, Japan.

Name Pronunciation:

Haradaite + Pronunciation

Synonym:

ICSD 30451

PDF 18-1284

Haradaite Image

Images:

Haradaite

Comments: Translucent green crystal prism fragments of haradaite.
Location: Gambatesa Mine, Val Graveglia, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haradaite Crystallography

Axial Ratios:

a:b:c =0.4822:1:0.364

Cell Dimensions:

a = 7.06, b = 14.64, c = 5.33, Z = 1; V = 550.90 Den(Calc)= 3.68

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Ama2

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

By Intensity(I/I_o): 3.2(1), 2.88(0.9), 3.65(0.4),

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

Basso R , Lucchetti G , Palenzona A , Zefiro L , Neues Jahrbuch fur Mineralogie, Monatshefte , 1995 (1995) p.281-288, Haradaite from the Gambatesa mine, eastern Liguria, Italy, Locality: Gambatesa mine, eastern Liguria, Italy

Physical Properties of Haradaite

Cleavage:

{010} Perfect, {100} Distinct, {001} Distinct

Color:

Green, Light blue, Light green.

Density:

3.8

Diaphaneity:

Transparent to Translucent

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Optical Properties of Haradaite

Gladstone-Dale:

CI meas= 0.174 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.147 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1964,KPDmeas= 0.1902,KC= 0.2301
Ncalc = 1.85 - 1.87

Optical Data:

Biaxial (?), a=1.713, b=1.721, g=1.734, bire=0.0210, 2V(Calc)=78, 2V(Meas)=90. Dispersion r < v very strong.

Pleochroism (x):

colorless or very pale green.

Pleochroism (y):

colorless or light yellowish green.

Pleochroism (z):

bluish green or bluish green.

Calculated Properties of Haradaite

Electron Density:

Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Haradaite =3.68 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Haradaite= 48.77 barns/electron
U=PE_Haradaite x rElectron Density= 169.58 barns/cc.

Radioactivity:

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

Haradaite Classification

Dana Class:

65.03.01.01 (65)Inosilicate Single-Width Unbranched Chains, W=1

(65.03)with chains P=4

(65.03.01)Haradaite group

65.03.01.01 Haradaite Sr4V4Si8O28 Ama2 mm2

65.03.01.02 Suzukiite BaVO(SiO3)2 Ama2 mm2

Strunz Class:

09.DH.15 09 - SILICATES (Germanates)

09.D - Inosilicates* Structural terminology according to Liebau (1985)

09.DH -Inosilicates with 4-periodic single chains, Si4O12

09.DH.15 Haradaite Sr4V4Si8O28 Ama2 mm2

09.DH.15 Suzukiite BaVO(SiO3)2 Ama2 mm2

Other Haradaite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(AntBidBlaNic2)

See Also:

Links to other databases for Haradaite :
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
15 - WWW-MINCRYST

Search for Haradaite using:

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

Visit our Advertisers for Haradaite :

A Bijoux Google Search for Haradaite
Adam's Minerals Google Search for Haradaite
Cape Minerals Google Search for Haradaite
Dakota Matrix Minerals Google Search for Haradaite
Excalibur Mineral Corp. Google Search for Haradaite
Exceptional Minerals Google Search for Haradaite
John Betts Fine Minerals Search for Haradaite
McDougall Minerals Google Search for Haradaite
Mineral News Website Link
Rock and Mineral Shows Google Search for Haradaite
Weinrich Minerals, Inc. Google Search for Haradaite

Ask about Haradaite 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 Haradaite Specimen Label here :

Haradaite

Sr4V++++4Si8O28
Dana No: 65.03.01.01 Strunz No: 09.DH.15
Locality:

Notes: