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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Prehnite from
Centreville, Culpeper Basin, Fairfax County, Virginia, USA


02413200017362070479129.jpg
Prehnite

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
06047550017272016814023.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
07277970017272016823673.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
08596430017272016832994.jpg
Prehnite, etc.

Centreville, Culpeper Basin, Fairfax County, Virginia, USA
02413200017362070479129.jpg
Prehnite

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
06047550017272016814023.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
07277970017272016823673.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
08596430017272016832994.jpg
Prehnite, etc.

Centreville, Culpeper Basin, Fairfax County, Virginia, USA
00537920017362070486815.jpg
Prehnite

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
09780540017272016809592.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
07280720017272016821886.jpg
Prehnite, etc.

Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
08596430017272016832994.jpg
Prehnite, etc.

Centreville, Culpeper Basin, Fairfax County, Virginia, USA
Locality type:Town
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hydroxyapophyllite-(K)71
Thaumasite12
Apophyllite Group7
Amphibole Supergroup6
- var Byssolite6
Bornite5
Quartz2
Actinolite2
Chalcopyrite2
K Feldspar1
- var Adularia1
Epidote1
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Centreville, Culpeper Basin, Fairfax County, Virginia, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:13550
Long-form Identifier:1:3:13550:0
GUID (UUID V4):0
Localities for Prehnite in this Region
Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
Nearest other occurrences of Prehnite
0.3km (0.2 miles) ⓘManassas Quarry, Fairfax County, Virginia, USA
5.6km (3.5 miles) ⓘFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
9.8km (6.1 miles) ⓘBull Run Quarry, Conklin, Loudoun County, Virginia, USA
11.1km (6.9 miles) ⓘVirginia Crushed Stone Quarry, Loudoun County, Virginia, USA
11.2km (7.0 miles) ⓘChantilly Quarry, Chantilly, Loudoun County, Virginia, USA
11.5km (7.2 miles) ⓘVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA
16.1km (10.0 miles) ⓘGainesville Quarry, Gainesville, Prince William County, Virginia, USA
23.9km (14.8 miles) ⓘMillbrook Quarry (Haymarket Quarry), Haymarket, Prince William County, Virginia, USA
26.5km (16.5 miles) ⓘNew Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
31.8km (19.7 miles) ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
References
 
and/or  
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