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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Corundum from
Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada


01228870017339890353489.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
06778010017272025141523.jpg
Corundum

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
07113990017364976742745.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
00697520017364976758818.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
03865040017362298277238.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
04170580017364976755620.jpg
Corundum

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
07113990017364976742745.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
00697520017364976758818.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
01228870017339890353489.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
06778010017272025141523.jpg
Corundum

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
05985670017364976752825.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
07810530017364976754431.jpg
Corundum, etc.

Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
Locality type:Workings
Classification
Species:Corundum
Formula:Al2O3
Comments:zeolites and pyroxene is also found
Colour:black, grey, bronze, blue
Luminescent properties:none
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Feldspar Group3
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Craigmount workings, Craigmont Mine, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
Photo GalleryView Gallery (14 photos)
Data Identifiers
Mindat Occurrence Record ID:41869
Long-form Identifier:1:3:41869:8
GUID (UUID V4):0
Nearest other occurrences of Corundum
3.7km (2.3 miles) ⓘMenzies Pond, Carlow Township, Hastings County, Ontario, Canada
6.2km (3.9 miles) ⓘLogan Corundum occurrence, Carlow Township, Hastings County, Ontario, Canada
7.3km (4.6 miles) ⓘCombermere area (Palmer Rapids area), Radcliffe Township, Madawaska Valley, Renfrew County, Ontario, Canada
7.9km (4.9 miles) ⓘBurgess Mine, Carlow Township, Hastings County, Ontario, Canada
8.8km (5.5 miles) ⓘJewellville corundum occurrence, Raglan Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
12.4km (7.7 miles) ⓘMichelis corundum occurrence, Combermere area (Palmer Rapids area), Radcliffe Township, Madawaska Valley, Renfrew County, Ontario, Canada
13.2km (8.2 miles) ⓘGutz Corundum occurrence, Brudenell Township, Brudenell-Lyndoch-and-Raglan, Renfrew County, Ontario, Canada
22.9km (14.2 miles) ⓘWelsh Corundum mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canada
23.0km (14.3 miles) ⓘCairns Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canada
24.9km (15.5 miles) ⓘYork River corundum occurrence, York River area, Dungannon Township, Town of Bancroft, Hastings County, Ontario, Canada
References
Sabina, A. P. (1971) Rocks and minerals for the collector Ottawa to North Bay, Ontario; Hull to Waltham, Quebec. Paper 70-50. Geological Survey of Canada 140 pp. doi:10.4095/102463
 
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