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Loseyite

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Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
© Van King

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Formula:
(Zn,Mn
2+
 
)
 
7
(CO
 
3
)
 
2
(OH)
 
10
System:MonoclinicColour:White to colorless, may ...
Hardness:3
Name:For mineral collector, Samuel R. Losey (December 10, 1830 - July 26, 1904), of Franklin, New Jersey, USA.
Isostructural with:Sclarite
This page provides mineralogical data about Loseyite.

Classification of Loseyite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/C.01-120
Nickel-Strunz 10th (pending) edition ID:5.BA.30

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
A : With Cu, Co, Ni, Zn, Mg, Mn
Dana 8th edition ID:16a.5.3.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
5 : Miscellaneous
Hey's CIM Ref.:11.6.8

11 : Carbonates
6 : Carbonates of Zn and Cd
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Type Occurrence of Loseyite

Type Locality:Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Year of Discovery:1929
Associated Minerals at type locality:
SussexitePyrochroiteChlorophoeniciteCalcite

Physical Properties of Loseyite

Lustre:Vitreous, Sub-Vitreous, Resinous
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 (measured):3.27 g/cm3
Density (calculated):3.37 g/cm3

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)
Morphology:Crystals may form subparallel aggregates and radiating bundles of lath-like crystals elongated [010]; also single crystals.
X-Ray Powder Diffraction:
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°
Maximum Birefringence:δ = 0.039

Chart 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:
(Zn,Mn
2+
 
)
 
7
(CO
 
3
)
 
2
(OH)
 
10
Essential elements:C, H, O, Zn
All elements listed in formula:C, H, Mn, O, Zn

Relationship of Loseyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.BA.05Azurite
Cu
 
3
(CO
 
3
)
 
2
(OH)
 
2
5.BA.10Georgeite
Cu
 
2
(CO
 
3
)(OH)
 
2
 · 6H
 
2
O
5.BA.10Glaukosphaerite
(Cu,Ni)
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Kolwezite
(Cu,Co)
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Malachite
Cu
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Mcguinnessite
(Mg,Cu)
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Nullaginite
Ni
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Pokrovskite
Mg
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Rosasite
(Cu,Zn)
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Zincrosasite
(Zn,Cu)
 
2
(CO
 
3
)(OH)
 
2
5.BA.10Chukanovite
Fe
2+
2
(CO
 
3
)(OH)
 
2
5.BA.15Aurichalcite
(Zn,Cu)
 
5
(CO
 
3
)
 
2
(OH)
 
6
5.BA.15Hydrozincite
Zn
 
5
(CO
 
3
)
 
2
(OH)
 
6
5.BA.20Holdawayite
Mn
 
6
(CO
 
3
)
 
2
(OH)
 
7
(Cl,OH)
5.BA.25Defernite
Ca
 
6
(CO
 
3
)
 
2-x
(SiO
 
4
)
 
x
(OH)
 
7
(Cl,OH)
 
1-2x
 (x=0.5)
5.BA.25UM1977-03-COSiO:CaClH
Ca
 
10
(SiO
 
4
)(CO
 
3
)
 
7
(Cl,OH)
 
2
5.BA.30Sclarite
(Zn,Mg,Mn
2+
 
)
 
4
Zn
 
3
(CO
 
3
)
 
2
(OH)
 
10
Related Minerals - Hey's Index Grouping:

- +
11.6.1Smithsonite
ZnCO
 
3
11.6.2Hydrozincite
Zn
 
5
(CO
 
3
)
 
2
(OH)
 
6
11.6.3Rosasite
(Cu,Zn)
 
2
(CO
 
3
)(OH)
 
2
11.6.4Zincrosasite
(Zn,Cu)
 
2
(CO
 
3
)(OH)
 
2
11.6.5Aurichalcite
(Zn,Cu)
 
5
(CO
 
3
)
 
2
(OH)
 
6
11.6.6Claraite
(Cu,Zn)
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
11.6.7Minrecordite
CaZn(CO
 
3
)
 
2
11.6.9Sclarite
(Zn,Mg,Mn
2+
 
)
 
4
Zn
 
3
(CO
 
3
)
 
2
(OH)
 
10
11.6.10Otavite
CdCO
 
3

Other Names for Loseyite

Other Languages:
German:Loseyit
Russian:Лозейит
Spanish:Loseyita

Other Information

Health Warning: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

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    • Localities for Loseyite

    Hide Locality List
    (TL) indicates type locality. ? 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 Mts
        • 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.
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