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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Chlorite Group from
Harford Talc and Quartz Company Quarry (Maryland Ceramic & Steatite Company Inc), Dublin, Jarretsville-Dublin Mining District, Harford County, Maryland, USA


Locality type:Quarry
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Harford Talc and Quartz Company Quarry (Maryland Ceramic & Steatite Company Inc), Dublin, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:860569
Long-form Identifier:1:3:860569:6
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
5.9km (3.6 miles) ⓘBroad Creek Mine, Whiteford, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
9.2km (5.7 miles) ⓘWiant's Quarry (Weiant Quarry), Pilot, Cecil County, Maryland, USA
9.8km (6.1 miles) ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA
10.8km (6.7 miles) ⓘPleasant Grove Quarry, Pleasant Grove, Fulton Township, Lancaster County, Pennsylvania, USA
11.2km (6.9 miles) ⓘBlack Baron Quarry, Black Baron, Fulton Township, Lancaster County, Pennsylvania, USA
11.3km (7.0 miles) ⓘLine pit (Lowe's Mine), Cecil County, Maryland, USA
11.3km (7.0 miles) ⓘDinning Rutile prospect, Clermont Mills, Harford County, Maryland, USA
12.5km (7.8 miles) ⓘBoyce Farm, New Texas (Lyles Post Office), Fulton Township, Lancaster County, Pennsylvania, USA
16.2km (10.1 miles) ⓘPort Deposit Quarry (Port Deposit Granite Company), Cecil County, Maryland, USA
16.4km (10.2 miles) ⓘHavre De Grace Quarry, Harford 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: 797-799.
 
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