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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Serpentine Subgroup from
Norris Ore Bank, Baltimore County, Maryland, USA


Locality type:Ore Bank
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Norris Ore Bank, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:858171
Long-form Identifier:1:3:858171:6
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
3.5km (2.2 miles) ⓘMcComas Ore Banks, Baltimore County, Maryland, USA
5.1km (3.1 miles) ⓘBlue Mount Quarry, Blue Mount, Baltimore County, Maryland, USA
10.9km (6.8 miles) ⓘReed Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
11.4km (7.1 miles) ⓘBirdseye Mine (Birdseye Pit), Jarretsville-Dublin Mining District, Harford County, Maryland, USA
11.5km (7.1 miles) ⓘWilkins Mine (Wilkens Mine; John W. Carman Property), Jarretsville-Dublin Mining District, Harford County, Maryland, USA
14.3km (8.9 miles) ⓘAyres Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
16.7km (10.4 miles) ⓘWhiteford Quarry, Cambria, Baltimore County, Maryland, USA
18.6km (11.6 miles) ⓘDinning Rutile prospect, Clermont Mills, Harford County, Maryland, USA
19.1km (11.9 miles) ⓘCherry Hill Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
19.4km (12.0 miles) ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
References
Pearre, N. & A. V. Heyl (1960) Mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware: U. S. Geological Survey: Bulletin 1082K: 707-833.
 
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