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
Cherry Hill Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA


Locality type:Mine
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 Cherry Hill Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:860507
Long-form Identifier:1:3:860507:8
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
5.2km (3.3 miles) ⓘAyres Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
7.0km (4.4 miles) ⓘDinning Rutile prospect, Clermont Mills, Harford County, Maryland, USA
8.0km (4.9 miles) ⓘHarford Talc and Quartz Company Quarry (Maryland Ceramic & Steatite Company Inc), Dublin, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
8.5km (5.3 miles) ⓘBirdseye Mine (Birdseye Pit), Jarretsville-Dublin Mining District, Harford County, Maryland, USA
8.9km (5.5 miles) ⓘWilkins Mine (Wilkens Mine; John W. Carman Property), Jarretsville-Dublin Mining District, Harford County, Maryland, USA
9.0km (5.6 miles) ⓘReed Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
9.1km (5.6 miles) ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA
15.8km (9.8 miles) ⓘWorth Brothers Quarry, Cecil County, Maryland, USA
16.4km (10.2 miles) ⓘWiant's Quarry (Weiant Quarry), Pilot, Cecil County, Maryland, USA
16.6km (10.3 miles) ⓘConowingo Marble and Mineral Quarry, Cecil 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: 765-766.
 
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