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2. Spruce Pine Mining District - Wikipedia

   en.wikipedia.org/wiki/Spruce_Pine_Mining_District

   Spruce Pine Mining District. The Spruce Pine Mining District is a swath of the valley of the North Toe River in the Blue Ridge Mountains of northwestern North Carolina. The area is mined for its mica, kaolin, quartz and feldspar. [1] Spruce Pine district is one of the largest suppliers of high-purity quartz, which is used in the manufacture of ...

3. Nell Cole Graves - Wikipedia

   en.wikipedia.org/wiki/Nell_Cole_Graves

   Nell Cole Graves (1908 – February 17, 1997) was a potter from Seagrove, North Carolina, and a winner of the 1996 North Carolina Heritage Award. [1]Graves grew up in Montgomery County, North Carolina, with her father, Jacon B. Cole, and her brother, Waymon Cole.

4. Baraboo Quartzite - Wikipedia

   en.wikipedia.org/wiki/Baraboo_Quartzite

   Baraboo Quartzite is a Precambrian geological formation [ 1 ] of quartzite, found in the region of Baraboo, Wisconsin. While pure quartzite is usually white or gray, Baraboo Quartzite is typically dark purple to maroon in color, due to the presence of iron (hematite) and other impurities. [ 2 ] Baraboo Quartzite may display strata created by ...

5. Herkimer diamond - Wikipedia

   en.wikipedia.org/wiki/Herkimer_diamond

   Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [1][2] They are not diamonds; the "diamond" in their name is due to both their clarity and well formed faces. Because the first discovery sites were in the village ...

6. Quartzite - Wikipedia

   en.wikipedia.org/wiki/Quartzite

   Quartzite. Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone. [1][2] Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Pure quartzite is usually white to grey, though quartzites often occur in various shades of pink and ...

7. Caesarstone - Wikipedia

   en.wikipedia.org/wiki/Caesarstone

   Caesarstone Ltd. Caesarstone Ltd. (Hebrew: אבן קיסר, Even Qeysar), is a publicly traded company that engages in the production and marketing of quartz surfaces used for kitchen countertops, vanity tops, flooring, wall cladding and general interior design. The company was founded in 1987 and is traded on the NASDAQ in New York (CSTE).

8. Dorothy Auman - Wikipedia

   en.wikipedia.org/wiki/Dorothy_Auman

   Dorothy Cole Auman belonged to the eighth generation of a potter family: her father owned a pottery business but wasn't a potter himself, though her grandparents and cousin were avid potters. Her ancestors came to the Seagrove area in the 1760s because of the plentiful potting clay and kiln fuel. [1] As an adult, she married another person from ...

9. Llanite - Wikipedia

   en.wikipedia.org/wiki/Llanite

   Llanite. Llanite is a porphyritic rhyolite with distinctive phenocrysts of blue quartz (a rare quartz color) and perthitic feldspar (light grayish-orangeish). The brown, fine-grained groundmass consists of very small quartz, feldspar, and biotite mica crystals. Llanite comes from a hypabyssal porphyritic rhyolite dike that intrudes Precambrian ...