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Assessing color of gemstones

Color Research and Application, 2020
AbstractA precise and shared description of gemstones color could greatly help their classification and market evaluation, and the key to develop an efficient color evaluation system for gemstones is the creation of a common descriptive language and assessment method.
Alessandro Rizzi, Alice Plutino
exaly   +2 more sources

A GemStone GIS

2001
Object oriented databases have been portrayed as being the solution for complex applications such as Geographical Information Systems. Traditional database systems, such as relational, are not adequate for the rich data types typically required from such systems.
Mary Garvey   +2 more
openaire   +1 more source

Gemstone Deposits in Turkey

Rocks & Minerals, 2010
Despite having significant gemstone deposits, Turkey is not known as a producer of gemstones. In this article, we summarize six deposits: diaspore, fire opal, blue chalcedony, amethyst, smoky quart...
HATİPOĞLU, MURAT   +2 more
openaire   +2 more sources

Amber:  the Organic Gemstone

Accounts of Chemical Research, 2002
Resins are produced by woody plants on a worldwide basis. We have found several distinct classes of modern diterpenoid resins based phenomenologically on the solid-state (13)C NMR spectra of the bulk material. Resin fossilizes over millions of years into a robust material sometimes called amber.
Joseph B, Lambert, George O, Poinar
openaire   +2 more sources

Minerals, Ores and Gemstones

2000
In this section are detailed and explained the main definitions, properties, and physical quantities used in the mineral properties table.
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Gemstones

Mineralogical Magazine, 1973
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Jewellery and Gemstones

Cultural Heritage Science, 2023
Peter Vandenabeele   +2 more
exaly  

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