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|System:||Monoclinic||Colour:||White to colorless, may ...|
|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."|
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:|
Physical Properties of Loseyite
|Lustre:||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.|
|Density (measured):||3.27 g/cm3|
|Density (calculated):||3.37 g/cm3|
Crystallography of Loseyite
|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 Å³ (Calculated from Unit Cell)|
|Morphology:||Crystals may form subparallel aggregates and radiating bundles of lath-like crystals elongated ; also single crystals.|
|X-Ray Powder Diffraction:|
Optical Data of Loseyite
|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.
Chemical Properties of Loseyite
|Simplified for copy/paste:||(Mn2+,Zn,Mg)4Zn3(CO3)2(OH)10|
|Essential elements:||C, H, Mn, O, Zn|
|All elements listed in formula:||C, H, Mg, Mn, O, Zn|
Relationship of Loseyite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Loseyite
|Fluorescence in UV light:||Not fluorescent in UV|
|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
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
The 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. ? 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.
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