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  2. Doublet (lapidary) - Wikipedia

    en.wikipedia.org/wiki/Doublet_(lapidary)

    A doublet is a type of assembled gem composed in two sections. [1] It is sometimes used to imitate other, more expensive gems. Opal Doublet. A garnet and glass doublet uses a top portion of natural garnet fused to any color of glass to imitate a gem. The color of glass used in the doublet is all that is seen, as the garnet provides no color.

  3. Assembled gem - Wikipedia

    en.wikipedia.org/wiki/Assembled_gem

    A doublet is a type of assembled gem which is composed of two parts. A false doublet is a doublet which is a glass piece that looks like a real gem and a real gem that have been attached to look like a larger gem. [5] A triplet is a type of assembled gem composed of three distinct parts. [5]

  4. Cameo (carving) - Wikipedia

    en.wikipedia.org/wiki/Cameo_(carving)

    Stone cameos of great artistry were made in Greece dating back as far as the 5th century BC. [6] The Farnese Tazza (a cup) is the oldest major Hellenistic piece surviving. They were very popular in Ancient Rome , especially in the family circle of Augustus .

  5. Diamond simulant - Wikipedia

    en.wikipedia.org/wiki/Diamond_simulant

    Because strontium titanate and glass are too soft to survive use as a ring stone, they have been used in the construction of composite or doublet diamond simulants. The two materials are used for the bottom portion (pavilion) of the stone, and in the case of strontium titanate, a much harder material—usually colorless synthetic spinel or ...

  6. Lapidary - Wikipedia

    en.wikipedia.org/wiki/Lapidary

    A 17th century English lapidary text. The etymological root of the word lapidary is the Latin word lapis, meaning "stone". [5] In the 14th century, the term evolved from lapidarius, meaning 'stonecutter' or 'working with stone', into the Old French word lapidaire, meaning 'one skilled in working with precious stones'.

  7. List of Stone Age art - Wikipedia

    en.wikipedia.org/wiki/List_of_Stone_Age_art

    This is a descriptive list of Stone Age art, the period of prehistory characterised by the widespread use of stone tools. This article contains, by sheer volume of the artwork discovered, a very incomplete list of the works of the painters, sculptors, and other artists who created what is now called prehistoric art.

  8. Stone carving - Wikipedia

    en.wikipedia.org/wiki/Stone_carving

    Stone carving is an activity where pieces of rough natural stone are shaped by the controlled removal of stone. Owing to the permanence of the material, stone work has survived which was created during our prehistory or past time.

  9. Stone sculpture - Wikipedia

    en.wikipedia.org/wiki/Stone_sculpture

    A stone sculpture is an object made of stone which has been shaped, usually by carving, or assembled to form a visually interesting three-dimensional shape. Stone is more durable than most alternative materials, making it especially important in architectural sculpture on the outside of buildings.