Swartzite (original) (raw)

A valid IMA mineral species - grandfathered

About SwartziteHide

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Formula:

MgCa(UO2)(CO3)3 · 12H2O

Colour:

Bright green, yellowish-white (dehydrated).

Crystal System:

Monoclinic

Name:

Named in honor of Charles Kephart Swartz (03 January 1861, Baltimore, Maryland, USA - 29 November 1949), Professor of Geology, Johns Hopkins University, Baltimore, Maryland, USA and 'an inspiring teacher to many generations of students'.

This page provides mineralogical data about Swartzite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3844:3

dd57ff16-648f-4d84-b1e6-07d382547e1f

IMA Classification of SwartziteHide

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

IMA Formula:

CaMg(UO2)(CO3)3 · 12H2O

Type description reference:

Classification of SwartziteHide

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5.ED.10

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

15.3.3.2

15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1

11.11.13

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
Swz	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 SwartziteHide

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Colour:

Bright green, yellowish-white (dehydrated).

Density:

2.3 g/cm3 (Measured) 2.32 g/cm3 (Calculated)

Optical Data of SwartziteHide

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RI values:

_n_α = 1.465 _n_β = 1.510 _n_γ = 1.540

δ = 0.075

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

Comments:

X = Colourless
Y = Yellow
Z = Yellow

Chemistry of SwartziteHide

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Mindat Formula:

MgCa(UO2)(CO3)3 · 12H2O

Crystallography of SwartziteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 11.12 Å, b = 14.72 Å, c = 6.47 Å
β = 99.43°

Ratio:

a:b:c = 0.755 : 1 : 0.44

Unit Cell V:

1,044.74 Å³ (Calculated from Unit Cell)

Morphology:

Clusters of tiny prismatic crystals.

Crystal StructureHide

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Load
Unit Cell |Unit Cell Packed
2x2x2 |3x3x3 |4x4x4

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CIF File Best |x |y |z |a |b |c

Rotation
Stop |Start

Labels
Console Off |On |Grey |Yellow

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0014803	Swartzite	Mereiter K (1986) Synthetic swartzite, CaMg[UO2(CO3)3]12H2O, and its strontium analogue, SrMg[UO2(CO3)3]12H2O: Crystallography and crystal structures Neues Jahrbuch fur Mineralogie, Monatshefte 1986 481-492	1986	synthetic	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing	Intensity
8.76 Å	(100)
5.50 Å	(100)
7.31 Å	(90)
4.82 Å	(80)
2.91 Å	(80)
2.06 Å	(80)
1.707 Å	(80)

Geological EnvironmentHide

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Type Occurrence of SwartziteHide

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General Appearance of Type Material:

Small vivid green clusters on a layer of snow white gypsum.

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, 106107, 106108.

Geological Setting of Type Material:

Post-mining efflorescences on mine walls.

Associated Minerals at Type Locality:

Reference:

Axelrod, J.M., Grimaldi, F.S., Milton, C., Murata, K.J. (1951) The uranium minerals from the Hillside mine, Yavapai County, Arizona. American Mineralogist: 36: 1-22.

Other Language Names for SwartziteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

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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.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.25	Rabbittite	Ca3Mg3(UO2)2(CO3)6(OH)4 · 18H2O	Mon.
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

Fluorescence of SwartziteHide

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Other InformationHide

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Notes:

Soluble in water. Radioactive.

Health Risks:

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

Internet Links for SwartziteHide

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References for SwartziteHide

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Reference List:

**Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.**pp.238-239

Amayri, S., Arnold, T., Foerstendorf, H., Geipel, G., Bernhard, G. (2004) Spectroscopic characterization of synthetic becquerelite, Ca[UO2)6O4(OH)6]·8H2O, and swartzite, CaMg[UO2(CO3)3]·12H2O. The Canadian Mineralogist, 42 (4) 953-962 doi:10.2113/gscanmin.42.4.953

Localities for SwartziteHide

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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.

USA (TL)
Arizona Yavapai County Eureka Mining District Bagdad Bozarth Mesa ⓘ Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim) (TL)	Dana 7:II:236 & 238. +6 other references
Colorado Garfield County East Rifle Creek area ⓘ Rifle Mine	Eckel et al. (1997)
Jefferson County Ralston Buttes Mining District ⓘ Schwartzwalder Mine (Ralston Creek Mine)	Eckel et al. (1997)
Utah San Juan County Elk Ridge Mining District ⓘ Coral claim	Bullock (1981)

Swartzite (original) (raw)

About SwartziteHide

Unique IdentifiersHide

IMA Classification of SwartziteHide

Classification of SwartziteHide

Mineral SymbolsHide

Physical Properties of SwartziteHide

Optical Data of SwartziteHide

Chemistry of SwartziteHide

Crystallography of SwartziteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of SwartziteHide

Other Language Names for SwartziteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of SwartziteHide

Other InformationHide

Internet Links for SwartziteHide

References for SwartziteHide

Localities for SwartziteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide