Chistyakovaite  Mineral Data

Chistyakovaite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Adamsminerals.com- Online mineral store front for mineral collectors
John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.
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
Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

General Chistyakovaite Information

Help on Chemical  Formula: Chemical Formula: Al(UO2)2(AsO4)2(F,OH)•6.5H2O
Help on Composition: Composition: Molecular Weight = 969.53 gm
   Uranium     49.10 %  U    55.70 % UO2
   Aluminum     2.67 %  Al    5.05 % Al2O3
   Arsenic     14.14 %  As   21.69 % As2O5
   Phosphorus   0.54 %  P     1.24 % P2O5
   Hydrogen     1.38 %  H    12.37 % H2O
   Oxygen      31.04 %  O
   Fluorine     1.12 %  F     1.12 % F
                 -   %   F    -0.47 % -O=F2    
              ______        ______ 
              100.00 %       96.70 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al0.96(UO2)2(AsO4)1.83(PO4)0.17F0.57OH0.31·6.5(H2O)
Help on Environment: Environment: Occurs in samples collected in the 1950s from the supergene zone of the Bota-Burum deposit. Related to threadgoldite
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Bota-Burum deposit, south of Alakol' Lake, southwestern Balkhash area, Zhambyl (Dzhambul) Region, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for N.I. Chistyakova, a senior assistant at the All-Russia Research Institute of Mineral Resources (VIMS).
Help on Synonym: Synonym: IMA2005-003
 

Chistyakovaite Image

Click Here for Larger Chistyakovaite Image in a New Browser Window Images:
Click Here for Larger Chistyakovaite Image

Chistyakovaite

Comments: Platy fragment of a pale yellow crystal of chistyakovaite sealed in plastic bag, co-type material.
Location: Bota-Burum U deposit, Kazakhstan. Scale: See Image.
© Rruff Database

Chistyakovaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.0418:1:2.004
Help on Cell Dimensions: Cell Dimensions: a = 19.99, b = 9.79, c = 19.62, Z = 8; beta = 110.7° V = 3,591.80 Den(Calc)= 3.59
Help on Crystal System: Crystal System: MonoclinicSpace Group: P 2/m, P 2 or Pm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.14(1), 9.34(1), 4.76(0.27),4.87(0.2), 4.93(0.18), 3.55(0.15), 2.281(0.13),
 

Physical Properties of Chistyakovaite

Help on Cleavage: Cleavage: {100} Perfect, {001} Imperfect
Help on Color: Color: Yellow.
Help on Density: Density: 3.62
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=bright green, Long UV=green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light yellow
 

Optical Properties of Chistyakovaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.082 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.091 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1594,KPDmeas= 0.1581,KC= 0.1461
Ncalc = 1.52 - 1.53
Help on Optical Data: Optical Data: Biaxial (-), a=1.557, b=1.58, g=1.58, bire=0.0230, 2V(Calc)=0, 2V(Meas)=10. Dispersion none.
 

Calculated Properties of Chistyakovaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.20 gm/cc
note: Specific Gravity of Chistyakovaite =3.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0036864254
Boson Index = 0.9963135746
Help on Photoelectric: Photoelectric: PEChistyakovaite =1,271.27 barns/electron
U=PEChistyakovaite x relectron=4,066.35 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,698,226.13 (Gamma Ray American Petroleum Institute Units)
Concentration of Chistyakovaite per GRapi unit = 270.40 (PPB)

Chistyakovaite 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) 8.22 ± 2.06 grams of pure Chistyakovaite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 822.47 ±205.62 grams of pure Chistyakovaite .

Estimated Radioactivity from Chistyakovaite - very strong
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Becquerels
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.08 cm 87,892,825 2.38E-03 3,698,226.13 1,215.86
100 gm / 3.75 cm 8,789,283 2.38E-04 369,822.61 121.59
10 gm / 1.74 cm 878,928 2.38E-05 36,982.26 12.16
1 gm / 8.08 mm 87,893 2.38E-06 3,698.23 1.22
0.1 gm / 3.75 mm 8,789 2.38E-07 369.82 0.12
0.01 gm / 1.74 mm 879 2.38E-08 36.98 0.01
0.001 gm / 0.81 mm 88 2.38E-09 3.70 0.00

Weight of pure Chistyakovaite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.62 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
 

Chistyakovaite Classification

Help on  Dana Class: Dana Class: 42.11.13.04 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.13)Vanuralite Group
 
42.11.13.01 Vanuralite Al(UO2)2(VO4)2(OH)•11(H2O) A2/a 2/m
 
42.11.13.02 Metavanuralite Al(UO2)2(VO4)2(OH)•8(H2O) P 1or P1 Tri
 
42.11.13.03 Threadgoldite Al(UO2)2(PO4)2(OH)•8(H2O) C 2/c 2/m
 
42.11.13.04 Chistyakovaite! Al(UO2)2(AsO4)2(F,OH)•6.5H2O P 2/m, P 2 or Pm Mono
Help on  Strunz Class: Strunz Class: 08.EB.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
 
08.EB.20 Threadgoldite Al(UO2)2(PO4)2(OH)•8(H2O) C 2/c 2/m
 
08.EB.20 Chistyakovaite! Al(UO2)2(AsO4)2(F,OH)•6.5H2O P 2/m, P 2 or Pm Mono
 

Other Chistyakovaite Information

Help on References: References: NAME( AmMin, v91, p1945) PHYS. PROP.(AmMin, v91, p1945) OPTIC PROP.(AmMin, v91, p1945)
Help on See Also: See Also: Links to other databases for Chistyakovaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Chistyakovaite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Chistyakovaite :

Translate Chistyakovaite Mineral Data :

Ask about Chistyakovaite 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 Espaņol

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

Chistyakovaite

Al(UO2)2(AsO4)2(F,OH)•6.5H2O
Dana No: 42.11.13.04 Strunz No: 08.EB.20
Locality:

 

Notes: