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2. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In 2008, a State Glacial Rock (Rolling Rock) was designated as well. [82] ^ A measure passed the Oregon Senate in March 1965 naming the thunderegg as Oregon's state ...

3. Variscite - Wikipedia

   en.wikipedia.org/wiki/Variscite

   Variscite is a secondary mineral formed by direct deposition from phosphate-bearing water which has reacted with aluminium-rich rocks in a near-surface environment. [6] It occurs as fine-grained masses in nodules, cavity fillings, and crusts. Variscite often contains white veins of the calcium aluminium phosphate mineral crandallite.

4. Unakite - Wikipedia

   en.wikipedia.org/wiki/Unakite

   A good quality unakite is considered a semiprecious stone; it will take a good polish and is often used in jewelry as beads or cabochons and other lapidary work such as eggs, spheres and animal carvings. It is also referred to as epidotized or epidote granite.

5. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

6. Native American jewelry - Wikipedia

   en.wikipedia.org/wiki/Native_American_jewelry

   Wanesia Spry Misquadace (Fond du Lac Ojibwe), jeweler and birch bark biter, 2011 [1]Native American jewelry refers to items of personal adornment, whether for personal use, sale or as art; examples of which include necklaces, earrings, bracelets, rings and pins, as well as ketohs, wampum, and labrets, made by one of the Indigenous peoples of the United States.

7. Indian bead - Wikipedia

   en.wikipedia.org/wiki/Indian_bead

   Indian bead is a colloquial American term for a fossilized stem segment of a columnal crinoid, a marine echinoderm of the class Crinoidea. The fossils, generally a centimeter or less in diameter, tend to be cylindrical with a small hole (either open or filled) along the axis and can resemble unstrung beads .

8. List of types of limestone - Wikipedia

   en.wikipedia.org/wiki/List_of_types_of_limestone

   Cotswold stone – oolitic limestone used for building and roofing in the Cotswolds; Dent Marble (not a "true marble"; Crinoidal limestone) Frosterley Marble – northern England (not a "true marble") Hamstone – Building stone from Somerset; Headington stone – A limestone from Oxford; Hopton Wood stone – Type of limestone

9. Murano beads - Wikipedia

   en.wikipedia.org/wiki/Murano_beads

   The lamp-work method is the most time-consuming method of glass bead-making, as each bead must be formed individually. Using a torch for heat, Murano glass rods and tubes are heated to a molten state and wrapped around a metal rod until the desired shape is achieved. Several layers of different colored glass, as well as gold and silver leaf ...