Vote for your favorite mineral in #MinCup26! - Pyromorphite vs. Graphite
Linked by archaic translations and mineralogical misunderstandings, the quarterfinals are ending in hexagons with vivid pyromorphite vs writeable graphite.
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Gismondine-Ca from
Horseshoe Dam area (Horseshoe Dam Clinoptilolite occurrence), Maricopa County, Arizona, USA


Locality type:Area
Classification
Species:Gismondine-Ca
Formula:CaAl2Si2O8 · 4H2O
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Gismondine-Ca data
Locality Data:Click here to view Horseshoe Dam area (Horseshoe Dam Clinoptilolite occurrence), Maricopa County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:43877
Long-form Identifier:1:3:43877:1
GUID (UUID V4):0
References
 
and/or  
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