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While externally similar shapes, these two minerals are very different inside.
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Microcline from
Mustonen Ledge prospect, Greenwood, Oxford County, Maine, USA


Locality type:Prospect
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Mustonen Ledge prospect, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:34526
Long-form Identifier:1:3:34526:8
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.2km (0.1 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
0.3km (0.2 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.3km (0.2 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
0.4km (0.2 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.7km (0.4 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
1.0km (0.6 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
1.5km (0.9 miles) ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA
1.9km (1.2 miles) ⓘPatch Mountain Beryl prospect, Greenwood, Oxford County, Maine, USA
References
 
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