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Magnetite from
Potratz Prospect, Ophir Mining District, Lewis and Clark County, Montana, USA


Locality type:Prospect
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Potratz Prospect, Ophir Mining District, Lewis and Clark County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:500184
Long-form Identifier:1:3:500184:2
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.8km (0.5 miles) ⓘAjax Mine, Ophir Mining District, Lewis and Clark County, Montana, USA
2.9km (1.8 miles) ⓘLittle Daisy Mine (Orient; Alice Claims; Maggie), Ophir Mining District, Powell County, Montana, USA
3.9km (2.4 miles) ⓘSnowshoe Gulch Tungsten Property (Shamrock; Friday; Snowbird; Boulder Ore; Montana Old Lady Smith; Arnold Bielenberg; Strategic), Ophir Mining District, Powell County, Montana, USA
21.7km (13.5 miles) ⓘWar Eagle Mine, Greenhorn Mining District (Austin Mining District), Lewis and Clark County, Montana, USA
29.0km (18.0 miles) ⓘColorado Gulch, Boulder Mountains Area, Lewis and Clark County, Montana, USA
33.5km (20.8 miles) ⓘBlackfoot Mine (Big Blackfoot Surface Mine), Lincoln Mining District, Lewis and Clark County, Montana, USA
33.6km (20.9 miles) ⓘMeadow Lark Placer, Big Blackfoot Mining District (Helmville Mining District), Powell County, Montana, USA
33.6km (20.9 miles) ⓘBlackbird Placer, Big Blackfoot Mining District (Helmville Mining District), Powell County, Montana, USA
33.7km (20.9 miles) ⓘMagpie Placer, Big Blackfoot Mining District (Helmville Mining District), Powell County, Montana, USA
33.9km (21.1 miles) ⓘGrouse Placer, Big Blackfoot Mining District (Helmville Mining District), Powell County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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