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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Brucite from
Sinking Spring, Berks County, Pennsylvania, USA


Locality type:Spring
Classification
Species:Brucite
Formula:Mg(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brucite data
Locality Data:Click here to view Sinking Spring, Berks County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:2521
Long-form Identifier:1:3:2521:8
GUID (UUID V4):0
Nearest other occurrences of Brucite
7.8km (4.8 miles) ⓘFritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA
33.7km (20.9 miles) ⓘCornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA
58.0km (36.0 miles) ⓘBrinton's Quarry, Westtown Township, Chester County, Pennsylvania, USA
65.8km (40.9 miles) ⓘBlue Hill, Media, Upper Providence Township, Delaware County, Pennsylvania, USA
66.7km (41.5 miles) ⓘWood's Chrome Mine, Texas, Little Britain Township, Lancaster County, Pennsylvania, USA
67.5km (42.0 miles) ⓘCedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, Lancaster County, Pennsylvania, USA
67.7km (42.0 miles) ⓘGeiger Quarry, Little Britain Township, Lancaster County, Pennsylvania, USA
68.2km (42.4 miles) ⓘHaines & Kibblehouse Penn-Maryland Materials Quarry, Fulton Township, Lancaster County, Pennsylvania, USA
68.8km (42.7 miles) ⓘLine pit (Lowe's Mine), Cecil County, Maryland, USA
68.8km (42.7 miles) ⓘLine pit (Lowe's Chromite Mine), Fulton Township, Lancaster County, Pennsylvania, USA
References
Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia 255pp.
 
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