Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Antigorite from
Line pit (Lowe's Mine), Cecil County, Maryland, USA


06732270017272015284946.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
03838720017271948726670.jpg
Williamsite

Line pit, Cecil County, Maryland, USA
04712490017362076083451.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
04900140017493022742202.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
06732270017272015284946.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
08024470017362076083741.jpg
Williamsite

Line pit, Cecil County, Maryland, USA
04712490017362076083451.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
06795680017363712237461.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
06732270017272015284946.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
03838720017271948726670.jpg
Williamsite

Line pit, Cecil County, Maryland, USA
05822750017362076098620.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
00948240017493022754623.jpg
Antigorite

Line pit, Cecil County, Maryland, USA
Locality type:Pit
Classification
Species:Antigorite
Formula:Mg3(Si2O5)(OH)4
Comments:Found near the numerous porphyry dykes and not uncommon in the Sacramento contact zone. Cole Shaft-1400 level, as a white-green flaky material with pyrite. Holbrook shaft-500 level, 555 drift, banded pink and green layers of platy antigorite with calcite, pyrite and hematite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Antigorite data
Locality Data:Click here to view Line pit (Lowe's Mine), Cecil County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:244303
Long-form Identifier:1:3:244303:4
GUID (UUID V4):0
Nearest other occurrences of Antigorite
0.0km (0.0 miles) ⓘLine pit (Lowe's Chromite Mine), Fulton Township, Lancaster County, Pennsylvania, USA
0.9km (0.5 miles) ⓘRock Springs Iron Mine, Fulton Township, Lancaster County, Pennsylvania, USA
0.9km (0.6 miles) ⓘRed Pit Mine, Fulton Township, Lancaster County, Pennsylvania, USA
1.6km (1.0 miles) ⓘJenkins Mine (Jenkins Corner; North Rock Springs), Fulton Township, Lancaster County, Pennsylvania, USA
2.1km (1.3 miles) ⓘHaines & Kibblehouse Penn-Maryland Materials Quarry, Fulton Township, Lancaster County, Pennsylvania, USA
3.0km (1.9 miles) ⓘCedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, Lancaster County, Pennsylvania, USA
5.7km (3.5 miles) ⓘWood's Chrome Mine, Texas, Little Britain Township, Lancaster County, Pennsylvania, USA
11.2km (7.0 miles) ⓘGoat Hill Barrens, West Nottingham Township, Chester County, Pennsylvania, USA
14.4km (8.9 miles) ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA
18.4km (11.4 miles) ⓘCherry Hill Mine, Jarretsville-Dublin Mining District, Harford County, Maryland, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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