Rabbittite Mineral Data (original) (raw)

General Rabbittite Information

Help on Chemical Formula: Chemical Formula:

Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O)

Help on Composition: Composition:

Molecular Weight = 1,485.56 gm

Calcium 8.09 % Ca 11.32 % CaO

Magnesium 4.91 % Mg 8.14 % MgO

Uranium 32.05 % U 36.35 % UO2

Hydrogen 2.71 % H 24.25 % H2O

Carbon 4.85 % C 17.77 % CO2

Oxygen 47.39 % O

______ ______

100.00 % 97.85 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O)

Help on Environment: Environment:

Mine wall efflorescence.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1955

Help on Locality: Locality:

Lucky Strick No. 2 mine, Emery County, Utah, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for John Charles Rabbitt (1907-1957), geologist with the U. S. Geological Survey.

Help on Name Pronunciation: Name Pronunciation:

Rabbittite + Pronunciation Say RABBITTITE

Rabbittite Image

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

Click Here for Larger Rabbittite Image Rabbittite Comments: Fine, yellow, acicular sprays of rabbittite to about 1mm on matrix. Location: Hideout mine, San Juan Co., Utah, USA.Scale: 20x10x4mm. © Tom Loomis / Dakota Matrix

Rabbittite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.3697:1:0.397

Help on Cell Dimensions: Cell Dimensions:

a = 32.6, b = 23.8, c = 9.45, Z = 8; beta = 90° V = 7,332.07 Den(Calc)= 2.69

Help on Crystal System: Crystal System:

MonoclinicSpace Group: Unk

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 8.24(1), 4.37(0.8), 7.79(0.8),

Physical Properties of Rabbittite

Help on Cleavage: Cleavage:

{001} Perfect, {???} Perfect, {???} Perfect

Help on Color: Color:

Pale green, Greenish yellow.

Help on Density: Density:

2.57 - 2.6, Average = 2.58

Help on Fracture: Fracture:

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

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Habit: Habit:

Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.

Help on Habit: Habit:

Fibrous - Crystals made up of fibers.

Help on Hardness: Hardness:

2.5 - Finger Nail

Help on Luminescence: Luminescence:

Fluorescent, Short UV=cream yellow.

Help on Luster: Luster:

Silky

Optical Properties of Rabbittite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1902,KPDmeas= 0.1979,KC= 0.1964
Ncalc = 1.5 - 1.53

Help on Optical Data: Optical Data:

Biaxial (+), a=1.502, b=1.508, g=1.525, bire=0.0230

Help on Pleochroism (x): Pleochroism (x):

colorless.

Help on Pleochroism (y): Pleochroism (y):

colorless.

Help on Pleochroism (z): Pleochroism (z):

colorless.

Calculated Properties of Rabbittite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.46 gm/cc
note: Specific Gravity of Rabbittite =2.59 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0080899329
Boson Index = 0.9919100671

Help on Photoelectric: Photoelectric:

PERabbittite = 764.06 barns/electron
U=PERabbittite x relectron=1,882.61 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 2,603,598.06 (Gamma Ray American Petroleum Institute Units)
Concentration of Rabbittite per GRapi unit = 384.08 (PPB)

Rabbittite 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) 11.68 ± 2.92 grams of pure Rabbittite .
Estimated Maximum U.S. Postal Shipping Size(10 mRem/hr limit, Unshielded 100 cm box) 1168.3 ±292.06 grams of pure Rabbittite .

Estimated Radioactivity from Rabbittite - very strong

SpecimenSizeWeight/Volume(Sphere) * CalculatedActivityBecquerels(Bq) CalculatedActivityCuries (Ci) EstimatedActivityGR(api) EstimatedExposure(mRem**)/hrIf Held in HandFor One Hour
1000 gm / 9.04 cm 57,361,612 1.55E-03 2,603,598.06 855.98
100 gm / 4.20 cm 5,736,161 1.55E-04 260,359.81 85.60
10 gm / 1.95 cm 573,616 1.55E-05 26,035.98 8.56
1 gm / 9.04 mm 57,362 1.55E-06 2,603.60 0.86
0.1 gm / 4.20 mm 5,736 1.55E-07 260.36 0.09
0.01 gm / 1.95 mm 574 1.55E-08 26.04 0.01
0.001 gm / 0.90 mm 57 1.55E-09 2.60 0.00

Weight of pure Rabbittite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.59 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

Rabbittite Classification

Help on Dana Class: Dana Class:

16b.07.03.01 (16b)Carbonates - Hydroxyl or Halogen

(16b.07)Dana Type

(16b.07.03)Dana Group

16b.07.03.01 Rabbittite Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O) Unk Mono

Help on Strunz Class: Strunz Class:

05.ED.25 05 - CARBONATES (NITRATES)

05.E - Uranyl Carbonates

05.ED -UO2:CO3 = 1:3

05.ED.25 Rabbittite Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O) Unk Mono

Other Rabbittite Information

Help on References: References:

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

Help on See Also: See Also:

Links to other databases for Rabbittite :
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 - Uranium Minerals

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Ask about Rabbittite here :
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Print or Cut-and-Paste your Rabbittite Specimen Label here :

Rabbittite

Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O)
Dana No: 16b.07.03.01 Strunz No: 05.ED.25
Locality:

Notes: