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Patuxent River stone

state gemstone of Maryland

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 4, 2026
Entity authorityQ7148783 ↗
Source-derived summary

The Patuxent River stone is the state gem of the U.S. state of Maryland. According to official state records, it is a form of agate; however, it is in fact an iron-stained quartzite. Patuxent River stone is found only in Maryland, and its yellow and red coloration is reminiscent of the 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.

Editorial summary

The public source identifies “Patuxent River stone” as state gemstone of Maryland. This brief keeps that definition visible, then builds a research path around Patuxent, River and stone.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2004—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Patuxent, River and stone providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Patuxent River stone”, the useful work is to connect “state gemstone of Maryland” to the records capable of establishing context and consequence.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 4, 2026. The linked authority identifier is Q7148783. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2004.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Patuxent River stone”, its source revision and the description used here.
  2. Expand the search: follow Patuxent River stone primary sources, Patuxent River stone archive and Patuxent research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Patuxent River stone”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
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Source & attribution

This entry incorporates text from “Patuxent River stone” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.