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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Stilbite Subgroup from
Balls Hill Iron Mines, Franklin, Sussex County, New Jersey, USA


Locality type:Mine
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Balls Hill Iron Mines, Franklin, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:1069192
Long-form Identifier:1:3:1069192:6
GUID (UUID V4):0
References
King, Van (n.d.) Personal communcation.
 
and/or  
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