Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Marcasite from
Holcim Quarry, Lockport, Niagara County, New York, USA


01366440017369664097122.jpg
Marcasite, etc.

Holcim Quarry, Lockport, Niagara County, New York, USA
01366440017369664097122.jpg
Marcasite, etc.

Holcim Quarry, Lockport, Niagara County, New York, USA
07489010017272041445761.jpg
Marcasite, etc.

Holcim Quarry, Lockport, Niagara County, New York, USA
Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Dolomite4
Sphalerite3
Calcite3
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Holcim Quarry, Lockport, Niagara County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:550969
Long-form Identifier:1:3:550969:0
GUID (UUID V4):0
Nearest other occurrences of Marcasite
29.7km (18.4 miles) ⓘLaFarge-Queenston quarry, Niagara Township, Niagara Region, Ontario, Canada
33.8km (21.0 miles) ⓘSpring Creek, Alden, Erie County, New York, USA
35.8km (22.2 miles) ⓘNew Thorold quarry, Thorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada
36.1km (22.4 miles) ⓘThorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada
36.4km (22.6 miles) ⓘOld Thorold quarry, Thorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada
62.3km (38.7 miles) ⓘSpring Creek Aggregates, Clinton Township, Niagara Region, Ontario, Canada
62.7km (39.0 miles) ⓘLincoln Quarry (Beamsville Quarry), Clinton Township, Niagara Region, Ontario, Canada
94.7km (58.9 miles) ⓘNelson Quarry, Burlington, Halton Region, Ontario, Canada
96.5km (60.0 miles) ⓘWaterdown area, East Flamborough Township, Hamilton, Ontario, Canada
97.7km (60.7 miles) ⓘClappisons road cut, East Flamborough Township, Hamilton, Ontario, Canada
References
D. Lapham, personal observation
 
and/or  
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