Kadyrelite Mineral Data

Kadyrelite Mineral Data +

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General Kadyrelite Information

Chemical Formula:

Hg4(Br,Cl)2O

Composition:

Molecular Weight = 955.94 gm

Mercury 83.93 % Hg 87.28 % Hg₂O

Bromine 12.54 % Br 12.54 % Br

- % Br -1.26 % -O=Br₂

Chlorine 1.85 % Cl 1.85 % Cl

- % Cl -0.42 % -O=Cl₂

Oxygen 1.67 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Hg₄Br_1.5Cl_0.5O

Environment:

In cavities in carbonate veins in a mercury deposit.

IMA Status:

Approved IMA 1987

Locality:

Kadyrel deposit, Tuva, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

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Kadyrelite Crystallography

Cell Dimensions:

a = 16.22, Z = 24; V = 4,267.29 Den(Calc)= 8.93

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d

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

By Intensity(I/I_o): 3.32(1), 1.912(0.85), 2.57(0.65),

Physical Properties of Kadyrelite

Cleavage:

None

Color:

Orange, Dull orange.

Diaphaniety:

Transparent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Vitreous - Adamantine

Streak:

yellow orange

Optical Properties of Kadyrelite

Gladstone-Dale:

CI calc= 0.295 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.112,KC= 0.1588

Optical Data:

Isotropic, n=2.

RL Color:

Grayish white with intense orange internal reflections.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Kadyrelite in Air**
λ	R	∑ R(λ)
436 nm	27.70
460 nm	25.30
500 nm	21.20
589 nm	18.10
620 nm	17.80
656 nm	16.60

**Calculated Relative Intensity Colors of Kadyrelite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	450%	490%
R

Calculated Properties of Kadyrelite

Electron Density:

r_electron=7.27 gm/cc
note: r_Kadyrelite=8.93 gm/cc.

Fermion Index

Fermion Index = 0.25348
Boson Index = 0.74652

Photoelectric:

PE_Kadyrelite=1,472.07 barns/electron
U=PE_Kadyrelite x r_electron=10698.63 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kadyrelite is Not Radioactive

Kadyrelite Classification

Dana Class:

10.5.4.2 (10)Oxyhalides and Hydroxyhalides

(10.5)where Am (O,OH)p Xq

(10.5.4)Dana Group

10.5.4.1 Eglestonite Hg6Cl3O(OH)(?) I a3d 4/m 3 2/m

10.5.4.2 Kadyrelite Hg4(Br,Cl)2O I a3d 4/m 3 2/m

Strunz Class:

III/D.06-30 III - Halogenides

III/D - Oxi-halogenides with mercury

III/D.06 - Terlinguaite - Comancheite

III/D.06-10 Terlinguaite HgHgClO C 2/c 2/m

III/D.06-11 Aurivilliusite! HgHgOI C 2/m 2/m

III/D.06-12 Hanawaltite Hg6Hg[Cl,(OH)]2O3 Pbma 2/m 2/m 2/m

III/D.06-13 Tedhadleyite! HgHg10O4I2(Cl1.16Br0.84)2 A1 1

III/D.06-20 Poyarkovite Hg3ClO C 2/c 2/m

III/D.06-30 Kadyrelite Hg4(Br,Cl)2O I a3d 4/m 3 2/m

III/D.06-40 Eglestonite Hg6Cl3O(OH)(?) I a3d 4/m 3 2/m

III/D.06-45 Vasilyevite! (Hg2)10O6I3Cl(CO3) P1 1

III/D.06-50 Mosesite Hg2N(Cl,SO4,MoO4,CO3)·(H2O) F43m 4 3m

III/D.06-60 Gianellaite Hg4(SO4)N2 F43m 4 3m

III/D.06-70 Kleinite Hg2N(Cl,SO4)·n(H2O) C63/mmc 6/m 2/m 2/m

III/D.06-80 Pinchite Hg5O4Cl2 I bam 2/m 2/m 2/m

III/D.06-90 Comancheite Hg13(Cl,Br)8O9 Pnnm,Pnn2 Ortho

Other Kadyrelite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.74,p503,1989) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Kadyrelite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Kadyrelite

Hg4(Br,Cl)2O
Dana No: 10.5.4.2 Strunz No: III/D.06-30
Locality:

Notes: