Difference between revisions of "Hardstone"
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| − | [[File:21.691-SC126813.jpg|thumb|]] | + | [[File:21.691-SC126813.jpg|thumb|Shakudo and hardstone<br>MFA# 21.691]] |
== Description == | == Description == | ||
| − | Semiprecious minerals that are opaque, colorful and polish to a high gloss. Hardstones typically fall in the 6-7 range on the [ | + | 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 == | == Synonyms and Related Terms == | ||
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hardstones; pietre dure | hardstones; pietre dure | ||
| − | == | + | ==Resources and Citations== |
* ''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" | ||
Latest revision as of 11:54, 31 August 2022
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
Resources and Citations
- 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