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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Calcite from
New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA


04697960017272027396797.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
01733550017362830535313.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
03396040017783761766609.jpg
Calcite, etc.

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
04697960017272027396797.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
00354270017272052594702.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
06130720017783558123746.jpg
Calcite, etc.

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
04697960017272027396797.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
00354270017272052594702.jpg
Calcite

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
07666630017787018612170.jpg
Calcite, etc.

New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hydroxyapophyllite-(K)9
Prehnite8
Epidote2
Stilbite Subgroup2
Laumontite1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:189447
Long-form Identifier:1:3:189447:9
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.0km (0.0 miles) ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
1.6km (1.0 miles) ⓘLeesburg Quarry, Leesburg, Loudoun County, Virginia, USA
2.9km (1.8 miles) ⓘGoose Creek Mine (Eagle Mine), Culpeper Basin, Loudoun County, Virginia, USA
6.0km (3.7 miles) ⓘWhite Quarry, Leesburg, Loudoun County, Virginia, USA
13.2km (8.2 miles) ⓘLoudoun Quarries Inc. Quarry, Herndon, Loudoun County, Virginia, USA
15.1km (9.4 miles) ⓘLoudon Marble Company Quarry, Loudoun County, Virginia, USA
16.1km (10.0 miles) ⓘVirginia Crushed Stone Quarry, Loudoun County, Virginia, USA
18.0km (11.2 miles) ⓘDickerson Trap Rock Quarries, Dickerson, Montgomery County, Maryland, USA
23.2km (14.4 miles) ⓘBull Run Quarry, Conklin, Loudoun County, Virginia, USA
25.0km (15.6 miles) ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
References
Dunn, P.J., Newbury, D. (1983) Loudounite, a new zirconium silicate from Virginia. The Canadian Mineralogist: 21: 37-40.
Lapis 28(12), 9 (2003).
 
and/or  
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