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Loseyite

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Formula:
(Mn2+,Zn,Mg)4Zn3(CO3)2(OH)10
System:
Monoclinic
Colour:
White to colorless, may ...
Hardness:
3
Name:
Named in 1929 by Lawson H. Bauer and Harry Berman in honor of miner and mineral collector, Samuel R. Losey [December 10, 1830 New jersey, USA - July 26, 1904 USA], of Franklin, New Jersey, USA. Frederack A. Canfield, Jr. briefly mentioned some of his family's 19th century sources for Franklin District minerals: "More Franklin minerals were collected by Samuel Woodruff than by both miners of the Losey family and by the several miners of the Kemble family."
Isostructural with:
This page provides mineralogical data about Loseyite.

Classification of Loseyite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
5/C.01-120
5.BA.30

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
A : With Cu, Co, Ni, Zn, Mg, Mn
16a.5.3.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
5 : Miscellaneous
11.6.8

11 : Carbonates
6 : Carbonates of Zn and Cd
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First Recorded Occurrence of Loseyite

Year of Discovery:
1929
Associated Minerals at First Recorded Locality:

Physical Properties of Loseyite

Vitreous, Sub-Vitreous, Resinous, Silky
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
White to colorless, may be tannish- brown due to staining; colourless in transmitted light
Comment:
Has been called "bluish-white" to distinguish it from creamy or yellowish white.
Streak:
white
Hardness (Mohs):
3
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
3.27 g/cm3 (Measured)    3.37 g/cm3 (Calculated)

Crystallography of Loseyite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 16.23Å, b = 5.51Å, c = 14.95Å
β = 95.4°
Ratio:
a:b:c = 2.946 : 1 : 2.713
Unit Cell Volume:
V 1,331.00 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals may form subparallel aggregates and radiating bundles of lath-like crystals elongated [010]; also single crystals.
X-Ray Powder Diffraction Data:
d-spacingIntensity
7.49 (80)
3.80 (90)
3.68 (100)
3.54 (60)
2.79 (60)
2.77 (60)
2.63 (10)
2.54 (70)
Comments:
JCPDS 17-206

Optical Data of Loseyite

Type:
Biaxial (+)
RI values:
nα = 1.637 nβ = 1.648 nγ = 1.676
2V:
Measured: 64° , Calculated: 66°
Max Birefringence:
δ = 0.039
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of Loseyite

Formula:
(Mn2+,Zn,Mg)4Zn3(CO3)2(OH)10
Essential elements:
All elements listed in formula:

Relationship of Loseyite to other Species

5.BA.05AzuriteCu3(CO3)2(OH)2
5.BA.10GeorgeiteCu2(CO3)(OH)2 · 6H2O
5.BA.10Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
5.BA.10Kolwezite(Cu,Co)2(CO3)(OH)2
5.BA.10MalachiteCu2(CO3)(OH)2
5.BA.10Mcguinnessite(Mg,Cu)2(CO3)(OH)2
5.BA.10NullaginiteNi2(CO3)(OH)2
5.BA.10PokrovskiteMg2(CO3)(OH)2
5.BA.10Rosasite(Cu,Zn)2(CO3)(OH)2
5.BA.10Zincrosasite(Zn,Cu)2(CO3)(OH)2
5.BA.10ChukanoviteFe22+(CO3)(OH)2
5.BA.15Aurichalcite(Zn,Cu)5(CO3)2(OH)6
5.BA.15HydrozinciteZn5(CO3)2(OH)6
5.BA.20HoldawayiteMn6(CO3)2(OH)7(Cl,OH)
5.BA.25DeferniteCa6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x<0.5)
5.BA.25UM1977-03-COSiO:CaClHCa10(SiO4)(CO3)7(Cl,OH)2
5.BA.30Sclarite(Zn,Mg,Mn2+)4Zn3(CO3)2(OH)10
11.6.1SmithsoniteZnCO3
11.6.2HydrozinciteZn5(CO3)2(OH)6
11.6.3Rosasite(Cu,Zn)2(CO3)(OH)2
11.6.4Zincrosasite(Zn,Cu)2(CO3)(OH)2
11.6.5Aurichalcite(Zn,Cu)5(CO3)2(OH)6
11.6.6Claraite(Cu,Zn)3(CO3)(OH)4 · 4H2O
11.6.7MinrecorditeCaZn(CO3)2
11.6.9Sclarite(Zn,Mg,Mn2+)4Zn3(CO3)2(OH)10
11.6.10OtaviteCdCO3

Other Names for Loseyite

Name in Other Languages:
German:Loseyit
Spanish:Loseyita

Other Information

Not fluorescent in UV
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Loseyite

Reference List:
Bauer and Berman (1929) American Mineralogist: 14: 150-153.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 244-245.

Acta Crystallographica (1981): B37: 1323-1328.

King, Vandall T., 2007, Loseyite, Mn4Zn3(CO3)2(OH)10 from Franklin, Sussex County, New Jersey: A New Physical Description, Mineral News, v. 23 (2): 1,3-4.

Internet Links for Loseyite

Localities for Loseyite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Austria
 
  • Carinthia
    • Gailtaler Alpen & Karnische Alpen
      • Bleiberg District
        • Kreuth
King, V., 2006, Loseyite ..., Mineral News, v. 23 (2), p. 1,3-4; G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Tyrol
    • North Tyrol
      • Karwendel Mts
King, V., 2006, Loseyite ..., Mineral News, v. 23 (2), p. 1,3-4; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
King, V., 2006, Loseyite ..., Mineral News, v. 23 (2), p. 1,3-4; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Palache, C. (1935) “The Minerals of Franklin and Sterling Hill, Sussex County, New Jersey,” USGS Professional Paper 180: 59; Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part: 4: 621-622.
Mineral and/or Locality  
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