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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Datolite from
Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA


05231960017367074933280.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
00102180017367074944733.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
00323730017367074956358.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
05089740017272038581908.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
05231960017367074933280.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
07267750017272057436647.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
00323730017367074956358.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
03228570017272057446222.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
09106140017367074954524.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
02898710017272038561663.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
05250100017367074968855.jpg
Datolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
05089740017272038581908.jpg
Datolite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA
Locality type:Quarry
Classification
Species:Datolite
Formula:CaB(SiO4)(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite7
Dolomite2
Quartz2
Prehnite2
Amphibole Supergroup1
- var Byssolite1
Data
Mineral Data:Click here to view Datolite data
Locality Data:Click here to view Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:93062
Long-form Identifier:1:3:93062:2
GUID (UUID V4):0
Nearest other occurrences of Datolite
6.7km (4.2 miles) ⓘGainesville Quarry, Gainesville, Prince William County, Virginia, USA
7.0km (4.4 miles) ⓘFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
10.3km (6.4 miles) ⓘBull Run Quarry, Conklin, Loudoun County, Virginia, USA
17.5km (10.9 miles) ⓘVirginia Crushed Stone Quarry, Loudoun County, Virginia, USA
31.6km (19.7 miles) ⓘLuck Stone Quarry (Luckstone Quarry), Bealeton, Fauquier County, Virginia, USA
33.4km (20.7 miles) ⓘNew Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
33.4km (20.7 miles) ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
35.0km (21.7 miles) ⓘLeesburg Quarry, Leesburg, Loudoun County, Virginia, USA
38.1km (23.7 miles) ⓘWhite Quarry, Leesburg, Loudoun County, Virginia, USA
References
Rocks & Min.: 60:168.
 
and/or  
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