Rabbittite (original) (raw)

A valid IMA mineral species - grandfathered

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About RabbittiteHide

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Formula:

Ca3Mg3(UO2)2(CO3)6(OH)4 · 18H2O

Crystal System:

Monoclinic

Name:

Named by Mary E. Thompson, Alice D. Weeks, and Alexander M. Sherwood in 1954 after John "Jack" Charles Rabbitt (3 November 1907, Butte, Montana, USA - 10 June 1957, Washington, D.C., USA), geochemist of the United States Geological Survey and chief of the Trace Elements Section from 1947 to 1953, in recognition of the leadership and inspiration he gave to the members of that laboratory.

This page provides mineralogical data about Rabbittite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3347:9

756c024b-0a9f-4b07-8e1f-49b92924b900

IMA Classification of RabbittiteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Classification of RabbittiteHide

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5.ED.25

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
D : UO2:CO3 = 1:3

16b.7.3.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous

11.11.14

11 : Carbonates
11 : Carbonates of Cr and U

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Rab IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of RabbittiteHide

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Cleavage:

Perfect
Parallel to the c-axis. Under the microscope the crystals show a cleavage across the fibers, which is probably parallel to {001}, and two easy and perfect prismatic cleavages.

Density:

2.57 g/cm3 (Measured) 2.69 g/cm3 (Calculated)

Comment:

Measured using mixture of bromoform and acetone

Optical Data of RabbittiteHide

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RI values:

_n_α = 1.502(5) _n_β = 1.508(2) _n_γ = 1.525(5)

δ = 0.023

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Dispersion:

relatively strong

Comments:

2V(meas.) = Large.

Chemistry of RabbittiteHide

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Mindat Formula:

Ca3Mg3(UO2)2(CO3)6(OH)4 · 18H2O

Crystallography of RabbittiteHide

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Crystal System:

Monoclinic

Cell Parameters:

a = 32.6(1) Å, b = 23.8(1) Å, c = 9.45(3) Å
β = 90°

Ratio:

a:b:c = 1.37 : 1 : 0.397

Unit Cell V:

7,332.07 ų (Calculated from Unit Cell)

Comment:

Point Group: n.d.; Space Group: n.d.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
8.24 Å (100)
7.79 Å (80)
4.37 Å (80)
4.71 Å (70)
5.83 Å (50b)
4.81 Å (50)
1.28 Å (50)

Geological EnvironmentHide

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Type Occurrence of RabbittiteHide

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General Appearance of Type Material:

Bundles of pale-green extremely small acicular crystals. Some crystals are bent and twisted, in a manner similar to talc.

Place of Conservation of Type Material:

Harvard University, Cambridge, Massachusetts, USA, 105099.
National Museum of Natural History, Washington, D.C., USA, 112741, 162619.

Geological Setting of Type Material:

Efflorescence on a pillar of high-grade ore.

Associated Minerals at Type Locality:

Reference:

Thompson, M.E., Weeks, A.D., Sherwood, A.M. (1955) Rabbittite, a new uranyl carbonate from Utah. American Mineralogist, 40, 201-206.

Other Language Names for RabbittiteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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5.ED. Paramarkeyite Ca2(UO2)(CO3)3 · 5H2O Mon. 2/m
5.ED. Pendevilleite-(Y) Mg2Y3Al(UO2)2(CO3)7(OH)6(H2O)16 Tric. 1 : _P_1
5.ED.05 Bayleyite Mg2(UO2)(CO3)3 · 18H2O Mon. 2/m : _P_21/b
5.ED.10 Swartzite MgCa(UO2)(CO3)3 · 12H2O Mon. 2/m : _P_21/m
5.ED.15 Albrechtschraufite Ca4Mg(UO2)2(CO3)6F2 · 17-18H2O Tric. 1 : _P_1
5.ED.20 Liebigite Ca2(UO2)(CO3)3 · 11H2O Orth. m _m_2
5.ED.30 Andersonite Na2Ca(UO2)(CO3)3 · 6H2O Trig. 3 : _R_3
5.ED.35 Grimselite K3Na(UO2)(CO3)3 · H2O Hex. 6_m_2 : P_62_c
5.ED.40 Widenmannite Pb2(OH)2[(UO2)(CO3)2] Orth.
5.ED.45 Znucalite Zn10Ca0.83(UO2)0.83(CO3)4(OH)15.31(H2O)5.48 Mon. 2/m : _P_21/m
5.ED.50 Čejkaite Na4(UO2)(CO3)3 Mon. m : B b
5.ED.50 Agricolaite K4(UO2)(CO3)3 Mon. 2/m : _B_2/b
5.ED.55 Línekite K2Ca3[(UO2)(CO3)3]2 · 8H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
5.ED.55 Braunerite K2Ca(UO2)(CO3)3 · 6H2O Mon. 2/m : _P_21/b
5.ED.60 Leószilárdite Na6Mg(UO2)2(CO3)6 · 6H2O Mon. 2/m : _B_2/m
5.ED.65 Pseudomarkeyite Ca8(UO2)4(CO3)12 · 21H2O Mon. 2/m : _P_21/m
5.ED.65 Markeyite Ca9(UO2)4(CO3)13 · 28H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n
5.ED.65 Natromarkeyite Na2Ca8(UO2)4(CO3)13 · 27H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n
5.ED.70 Paddlewheelite MgCa5Cu2(UO2)4(CO3)12(H2O)33 Mon. m : P b

Other InformationHide

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Notes:

Effervesces in dilute HCl and slowly soluble in cold water

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for RabbittiteHide

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Localities for RabbittiteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Czech Republic
Karlovy Vary Region Karlovy Vary District ⓘ Jáchymov Lapis 2002 (7/8)
ⓘ Barbora adit Dr. Jaroslav Hyrsl
ⓘ Eliáš Mine Jeff Weisman
Germany
Saxony Erzgebirgskreis Annaberg-Buchholz Kleinrückerswalde ⓘ Uranus Mine www.mineralienatlas.de (n.d.)
Schwarzenberg Erla-Crandorf ⓘ Shaft 306 collection H.J. Haas
Russia
Adygea (Republic of Adygea) Maykopsky District ⓘ Belorechenskoye deposit Igor V. Pekov and Anatoly Kasatkin analytical data (2011) +1 other reference
USA
Utah Emery County San Rafael Swell Mining District ⓘ Lucky Strike Mine Bullock (1981)
ⓘ Lucky Strike No. 2 Mine (TL) Thompson et al. (1955)
Grand County Thompsons Mining District Yellow Cat Mesa ⓘ Little Eva Mine Thorne (n.d.)
San Juan County Deer Flat Mining District ⓘ Hideout Mine (Hideout No. 1 Mine) Bullock (1981)