Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Margarosanite from
Franklin Mine, Franklin, Sussex County, New Jersey, USA


02392930017866427892034.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
05665470017866686408649.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06563280017272028843926.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02737750017272028853453.jpg
Margarosanite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
01702830017363023083839.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09790840017363023087057.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06563280017272028843926.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02737750017272028853453.jpg
Margarosanite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06017910017271924943708.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09064950017271924966489.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
06563280017272028843926.jpg
Margarosanite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02737750017272028853453.jpg
Margarosanite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Margarosanite
Formula:Ca2PbSi3O9
Habit:Platy masses, granular
Colour:Pearly white, grayish
Luminescent properties:Electric pink and sky-blue (SWUV)
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Willemite75
Axinite-(Mn)52
Andradite32
Microcline22
- var Hyalophane7
Calcite19
Clinohedrite17
Wollastonite14
Minehillite12
Pectolite11
Franklinite11
Xonotlite11
Hendricksite10
Native Lead9
Prehnite8
Barysilite6
Nasonite5
Hancockite5
Clinopyroxene Subgroup4
Caswellite4
Native Copper3
Diopside2
- var Schefferite2
Opal2
Celsian2
Datolite2
Grossular1
Roeblingite1
Charlesite1
Data
Mineral Data:Click here to view Margarosanite data
Locality Data:Click here to view Franklin Mine, Franklin, Sussex County, New Jersey, USA
Photo GalleryView Gallery (35 photos)
Data Identifiers
Mindat Occurrence Record ID:49984
Long-form Identifier:1:3:49984:2
GUID (UUID V4):0
Localities for Margarosanite in this Region
Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Mill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Parker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Nearest other occurrences of Margarosanite
0.2km (0.1 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.6km (0.4 miles) ⓘParker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.8km (0.5 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
References
Palache, Charles (1935) The minerals of Franklin and Sterling Hill, Sussex County, New Jersey. Professional Paper 180. US Geological Survey 135 pp. doi:10.3133/pp180 p.70
Dunn, Pete J., Peacor, Donald R., Leavens, Peter B., Wicks, Frederick J. (1984) Minehillite, a new layer silicate from Franklin, New Jersey, related to reyerite and truscottite. American Mineralogist, 69 (11-12) 1150-1155
Dunn(1995):Pt4:499-500.
 
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