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While externally similar shapes, these two minerals are very different inside.
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Andradite from
Workman Creek Valley, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USA


Locality type:Valley
Classification
Species:Andradite
Formula:Ca3Fe23+(SiO4)3
Comments:Occurs in a contact zone with diabase.
Habit:Crystals to 2 cm
Colour:Black
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andradite data
Locality Data:Click here to view Workman Creek Valley, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:989610
Long-form Identifier:1:3:989610:9
GUID (UUID V4):0
References
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.111
 
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