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While externally similar shapes, these two minerals are very different inside.
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Pyroxenite from
Janet 55W, Sweet Grass County, Montana, USA


Classification
Type:Pyroxenite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyroxenite data
Locality Data:Click here to view Janet 55W, Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1058458
Long-form Identifier:1:3:1058458:3
GUID (UUID V4):0
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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