Mitchell, Culpeper, Va. Diabase Quarry, similar to
Loudoun & Fairfax Co. material.
Previous Page/ Click pictures for larger image - BACK button returns \Pictures from a field trip to the quarry in 1998
| stilbite |  |
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| laumontite |  |
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white xls on orange calcite | |
| chabazite |  |
colorless cubic xls with curved edges with brassy colored pyrite inclusions and coating | |||
| epidote |  |
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light to dark green,radiating fan shaped xls, singles and clusters of xls. Some epidote is in a matrix of byssolite | |
| feldspar albite |
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pink, massive, tiny xl sugary grains, euhedral blocky hopper
xls and colorless micro plates of diamond shaped xls, singles and
clusters Fl - a dull deep red |
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| calcite |  |
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white to grayish white, small rhombohedral xls, dogtooth
scalenohedral xls. and orange brown tightly clustered scalenohedral
xls. Fl - off white cream color |
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| actinolite |  |
 byssolite |
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dark green, looks black except on very thin edges bladed xls some with fibrous termination's, byssollite is white to greenish gray very small tightly compact masses of xls |
| quartz |  |
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| prehnite |  |
shades of gree,n massive and some botryoidal xls some non attached spheres | |||
| titanite |  |
translucent golden brown and dark green, small euhedral xls
in different matrix types |
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| pyrite |  |
small copper color dodecahedron xls in epidote and brassy colored xls in pink matrix | |||
| pectolite |  |
white radiating fibrous masses and acicular xls | |||
| opal - hyalite SiO2 |  |
light grayish white, waxy, massive nodules Fl - bright green |
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| apophyllite |  |
colorless, small cube xls on prehnite and platy crystal aggregates | |||
| zircon - ? | very tiny specks in feldspar Fl - bright yellow |
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