Frequently Asked Questions
Where can I find gemstones in West Virginia?
- a pink chalcedony, a silica mineral precipitated from water; found in the Mauch Chunk Group in Summers County.
- a yellowish-green calcium-aluminum-iron silicate mineral, usually of metamorphic origin; occurs in veins of the Weverton
Formation near Harpers Ferry in Jefferson County.
- an amorphous (non-crystalline) silica that reflects light in a play of colors; occurs as small stalactites (cone-shaped
deposits of minerals) on the underside of large sandstone overhangs, such as large cliffs of the Pottsville Sandstone near
Coopers Rock in Monongalia County.
- a hard, glassy crystalline silica mineral that may occur in a variety of colors including white, pink, and violet; when
colorless and transparent, it is called "rock crystal"; found in the Oriskany Sandstone west of U.S. Route 522 north of
Berkeley Springs in Morgan County.
- a single occurrence in Peterstown, Monroe County, found by William "Punch" Jones in 1928; no additional diamonds have been
found in West Virginia.
- Common Rocks and Minerals of West Virginia: West Virginia Geological and Economic Survey, 1959,
- Minerals of West Virginia: J.H.C. Martens, 1964, West Virginia Geological and Economic Survey, 1964,
Page last revised: December 5, 2005