Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Malachite from
Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA


00041110017367815126851.jpg
Malachite, etc.

Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA
00041110017367815126851.jpg
Malachite, etc.

Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA
04280140017272014669231.jpg
Malachite, etc.

Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA
Locality type:Shaft
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Comments:Fine microcrystals are collected from two oxidized zones of the Isle Royale Lode at a small surface working near the #1 Shaft.

Habit:Rings
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper1
Azurite1
Tenorite1
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:416529
Long-form Identifier:1:3:416529:3
GUID (UUID V4):0
Nearest other occurrences of Malachite
0.3km (0.2 miles) ⓘPortage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA
0.4km (0.2 miles) ⓘSheldon Mine, Sheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA
0.4km (0.2 miles) ⓘSheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA
1.0km (0.6 miles) ⓘMabbs Mine, Houghton, Houghton County, Michigan, USA
2.0km (1.3 miles) ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA
2.7km (1.7 miles) ⓘQuincy Mine, Quincy Township, Houghton County, Michigan, USA
3.1km (2.0 miles) ⓘPewabic Mine, Pewabic, Franklin Township, Houghton County, Michigan, USA
5.2km (3.2 miles) ⓘRoadside prospect, Boston, Franklin Township, Houghton County, Michigan, USA
9.2km (5.7 miles) ⓘTrimountain Mine, Trimountain, Adams Township, Houghton County, Michigan, USA
11.2km (6.9 miles) ⓘChampion Mine, Champion Mine, Adams Township, Houghton County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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