Difference between revisions of "Hardstone"
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== Description == | == Description == | ||
| − | Semiprecious minerals that are opaque, colorful and polish to a high gloss. Hardstones typically fall in the 6-7 range on the [http://cameo.mfa.org/materials/fullrecord.asp?name=Mohs | + | Semiprecious minerals that are opaque, colorful and polish to a high gloss. Hardstones typically fall in the 6-7 range on the [http://cameo.mfa.org/materials/fullrecord.asp?name=Mohs%27%20hardness%20scale Mohs' hardness scale]. They have been used since prehistoric times for personal objects. Later uses include architectural decoration, mosaics, seals, cameos, gemstones, boxes, vases, small sculptures and furniture (tables, cabinets, altars, reliquaries, etc.). Examples of hardstones includes [http://cameo.mfa.org/materials/fullrecord.asp?name=agate agate], [http://cameo.mfa.org/materials/fullrecord.asp?name=rock%20crystal rock crystal], [http://cameo.mfa.org/materials/fullrecord.asp?name=jasper jasper], [http://cameo.mfa.org/materials/fullrecord.asp?name=onyx onyx], [http://cameo.mfa.org/materials/fullrecord.asp?name=jade jade], [http://cameo.mfa.org/materials/fullrecord.asp?name=chalcedony chalcedony], [http://cameo.mfa.org/materials/fullrecord.asp?name=lapis%20lazuli lapis lazuli], [http://cameo.mfa.org/materials/fullrecord.asp?name=carnelian carnelian], [http://cameo.mfa.org/materials/fullrecord.asp?name=bloodstone bloodstone], [http://cameo.mfa.org/materials/fullrecord.asp?name=turquoise turquoise], and [http://cameo.mfa.org/materials/fullrecord.asp?name=petrified%20wood petrified wood]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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* ''The Dictionary of Art'', Grove's Dictionaries Inc., New York, 1996 Comment: "Hardstones" | * ''The Dictionary of Art'', Grove's Dictionaries Inc., New York, 1996 Comment: "Hardstones" | ||
| − | * | + | * Tom Rowland, Noel Riley, ''A-Z Guide to Cleaning, Conserving and Repairing Antiques'', Constable and Co., Ltd., London, 1981 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:21, 24 July 2013
Description
Semiprecious minerals that are opaque, colorful and polish to a high gloss. Hardstones typically fall in the 6-7 range on the Mohs' hardness scale. They have been used since prehistoric times for personal objects. Later uses include architectural decoration, mosaics, seals, cameos, gemstones, boxes, vases, small sculptures and furniture (tables, cabinets, altars, reliquaries, etc.). Examples of hardstones includes agate, rock crystal, jasper, onyx, jade, chalcedony, lapis lazuli, carnelian, bloodstone, turquoise, and petrified wood.
Synonyms and Related Terms
hardstones; pietre dure
Authority
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: "Hardstones"
- Tom Rowland, Noel Riley, A-Z Guide to Cleaning, Conserving and Repairing Antiques, Constable and Co., Ltd., London, 1981