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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Almandine from
Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA


08394520017366229292485.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
09139520017272072629509.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
05338450017361128803964.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
01657980017272052822059.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
08394520017366229292485.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
07581380017368378247759.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
08217290017282353289432.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
00698150017361128812148.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
04797300017368378258511.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
09139520017272072629509.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
05338450017361128803964.jpg
Almandine, etc.

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
01657980017272052822059.jpg
Almandine

Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
Classification
Species:Almandine
Formula:Fe32+Al2(SiO4)3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Staurolite1
Muscovite1
Data
Mineral Data:Click here to view Almandine data
Locality Data:Click here to view Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:207331
Long-form Identifier:1:3:207331:6
GUID (UUID V4):0
Nearest other occurrences of Almandine
2.8km (1.7 miles) ⓘPaint Branch, White Oak, Montgomery County, Maryland, USA
9.2km (5.7 miles) ⓘBingham branch, Rock Creek Park, NW Washington, District of Columbia (Washington D.C.), USA
12.8km (8.0 miles) ⓘRock Creek Park, NW Washington, District of Columbia (Washington D.C.), USA
34.8km (21.6 miles) ⓘHenryton, Carroll County, Maryland, USA
34.9km (21.7 miles) ⓘHenryton Pegmatite prospect, Henryton, Carroll County, Maryland, USA
44.7km (27.8 miles) ⓘJones Falls Quarries, Baltimore City, Maryland, USA
45.8km (28.5 miles) ⓘWright Quarry, Stony Run, Baltimore City, Maryland, USA
47.3km (29.4 miles) ⓘBare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA
58.8km (36.5 miles) ⓘHunt Valley Mall outcrop, Cockeysville, Baltimore County, Maryland, USA
References
Bernstein, Lawrence R. (1980) Minerals of the Washington, D.C. Area - Issue 5 of Educational series, Maryland Geological Survey. Department of Natural Resources, Maryland Geological Survey. p.1-148.
 
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