Tumbled specimens of Patuxent River StoneMaryland Agate cut and Illuminated
The Patuxent River stone is the state gem (a form of agate) of the U.S. state of Maryland. Since it is found in red and orange this stone could also be referred to as carnelian.[1] It is only found in Maryland and its colors reflect the Maryland State Flag.
The Patuxent River stone became the state gem effective October 1, 2004 through the passage of Chapter 272, Acts of 2004; Code State Government Article, sec. 13-319.[2]
^"Carnelian". Gemdat. Retrieved November 26, 2023.
^"Patuxent River Stone, Maryland State Gem". Maryland State Archives. February 28, 2005. Retrieved November 30, 2007.
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official State Gem of Maryland is also a variety of carnelian called PatuxentRiverstone. The red variety of chalcedony has been known to be used as beads...
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of clear agate over a layer of hydrothermally deposited hematite; PatuxentRiverstone, a red and yellow form of agate only found in Maryland; and enhydro...
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The Patuxent Wildlife Research Center is a biological research center in Maryland. It is one of 17 research centers in the United States run by the U.S...
to support wildlife research. With land surrounding the Patuxent and Little PatuxentRivers between Washington, D.C., and Baltimore, Maryland, the refuge...
the area, overlooking the confluence of the Potomac River, PatuxentRiver and the St. Mary's River, along with its key vantage point on the Chesapeake...
Appalachian foothills near the Potomac River, features the battlefield site and visitor center, a national military cemetery, stone arch Burnside's Bridge, and a...
The Laurel Mill was a multi-use mill located along the PatuxentRiver in Laurel, Maryland. Built by Nicholas Snowden on the site of an earlier grist mill...
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PatuxentRiver State Park is a public recreation area located along the upper reaches of the PatuxentRiver in Howard and Montgomery counties in Maryland...
Maryland land development. The Stone mill ruins are located under the Cedar lane bridge spanning the Middle PatuxentRiver adjacent to the James and Anne...
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attend the U.S. Naval Test Pilot School (NTPS) at Naval Air Station PatuxentRiver, Maryland with NTPS Class 125. Following graduation in June 2004, Reid...
Casselman Bridge is a historic transportation structure on the Casselman River, located immediately east of Grantsville in Garrett County, Maryland. The...
be the convergence of the Western and Southwestern Branches of the PatuxentRiver, where goods could be shipped to nearby Upper Marlboro, The Chesapeake...
The Thomas Stone National Historic Site, also known as Haberdeventure or the Thomas Stone House, is a United States National Historic Site located about...
Martinak Matapeake New Germany North Point Palmer Patapsco Valley PatuxentRiver Pocomoke River Point Lookout Purse Rocks Rocky Gap Rosaryville Sandy Point...
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"political enemies" at the colonial mansion at Mattapany which is now part of Patuxent Naval Air Station. Calvert intended to build a brick home rather than the...
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