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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Mica Group from
Emerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA


05875830017368995783493.jpg
Mica Group, etc.

Emerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
05875830017368995783493.jpg
Mica Group, etc.

Emerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
04603510017271979298803.jpg
Mica Group, etc.

Emerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Locality type:Mine
Classification
Species:'Mica Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
- var Sceptre Quartz1
Data
Mineral Data:Click here to view Mica Group data
Locality Data:Click here to view Emerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:43276
Long-form Identifier:1:3:43276:8
GUID (UUID V4):0
Nearest other occurrences of Mica Group
0.3km (0.2 miles) ⓘNorth Castine mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
1.8km (1.1 miles) ⓘPerkins mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.1km (1.3 miles) ⓘJones Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.9km (1.8 miles) ⓘHercules Mine, Penobscot, Hancock County, Maine, USA
4.0km (2.5 miles) ⓘHighland Mine, Penobscot, Hancock County, Maine, USA
4.0km (2.5 miles) ⓘLimeburner prospect (Lymburner Prospect), Penobscot, Hancock County, Maine, USA
References
 
and/or  
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