Rheniite Mineral Data

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General Rheniite Information

Chemical Formula:

ReS2

Composition:

Molecular Weight = 250.34 gm

Rhenium 74.38 % Re

Sulfur 25.62 % S

______

100.00 %

Empirical Formula:

ReS₂

Environment:

Hot, acid fumarole gases at 500-570C.

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Kudriavyi volcano, Iturup island, south part of Kuril arc (1200 km length) in Russia between Kamchatka peninsula and Japan islands. Link to MinDat.org Location Data.

Name Origin:

Named after the element "rhenium".

Synonym:

Kurilite

Rheniite

Rheniite Image

Images:

Rheniite

Comments: Specimen covered with rheniite as micro crystals to .25 mm across.
Location: Kudryaviy Volcano, Iturup Island, Kurilian Chain, Russia. Scale: 4.7 x 3 cm.
© John Veevaert

Rheniite Crystallography

Axial Ratios:

a:b:c =1.016:1:1.0051

Cell Dimensions:

a = 6.47, b = 6.368, c = 6.401, Z = 4; alpha = 105°, beta = 91.59°, gamma = 118.9° V = 222.93 Den(Calc)= 7.46

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 2.733(1), 2.764(1), 2.7834(1),2.0914(0.9), 2.371(0.9), 2.1035(0.8), 2.404(0.8), 2.642(0.8),

Physical Properties of Rheniite

Color:

Silver gray.

Diaphaneity:

Opaque

Habit:

Platy - Sheet forms (e.g. micas).

Luster:

Metallic

Streak:

black

Calculated Properties of Rheniite

Electron Density:

Bulk Density (Electron Density)=6.48 gm/cc
note: Specific Gravity of Rheniite =7.58 gm/cc.

Fermion Index:

Fermion Index = 0.0019213546
Boson Index = 0.9980786454

Photoelectric:

PE_Rheniite= 987.53 barns/electron
U=PE_Rheniite x r_electron=6,398.88 barns/cc.

Radioactivity:

GRapi = 30,884.02 (Gamma Ray American Petroleum Institute Units)
Concentration of Rheniite per GRapi unit = 32.38 (PPM)

Rheniite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 984.87 ±246.22 grams of pure Rheniite .

**Estimated Radioactivity from Rheniite** - weak
Specimen Size Weight/Volume (Sphere) *	Calculated Activity Bequerols (Bq)	Calculated Activity Curies (Ci)	Estimated Activity GR(api)	Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 6.32 cm	758,696	2.05E-05	30,884.02	10.15
100 gm / 2.93 cm	75,870	2.05E-06	3,088.40	1.02
10 gm / 1.36 cm	7,587	2.05E-07	308.84	0.10
1 gm / 6.32 mm	759	2.05E-08	30.88	0.01
0.1 gm / 2.93 mm	76	2.05E-09	3.09	0.00
0.01 gm / 1.36 mm	8	2.05E-10	0.31	0.00
0.001 gm / 0.63 mm	1	2.05E-11	0.03	0.00

Weight of pure Rheniite in grams (gm) and Calculated Diameter of a Sphere with a Density of 7.58 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem

Rheniite Classification

Dana Class:

02.12.18.01 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.18)Dana Group

02.12.18.01 Rheniite! ReS2 P1 1

Strunz Class:

02.EB.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S £ 1:2

02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.

02.EB.35 Rheniite! ReS2 P1 1

Other Rheniite Information

See Also:

Links to other databases for Rheniite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - MinMax(Deutsch)
10 - MinMax(English)
11 - Mineralienatlas (Deutsch)
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - Russian Academy of Sciences

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

Rheniite

ReS2
Dana No: 02.12.18.01 Strunz No: 02.EB.35
Locality:

Notes: