Results 221 to 230 of about 4,649 (283)

Quantitative definition of strength of chromophores in gemstones and the impact on color change in pyralspite garnets

Color Research & Application, 2022
Ziyin Sun, Aaron C. Palke, Nathan D. Renfro, J. Rizzo, Dylan B. Hand, D. Sanchez   +5 more
semanticscholar   +1 more source

Chemical composition of gemstones and characterization of their host pegmatites and country rocks from Chumar Bakhoor, Gilgit-Baltistan, Pakistan: implications for the source of gem-forming fluids

Arabian Journal of Geosciences, 2021
Amjad Hussain, M. T. Shah, M. Arif, M. H. Agheem, M. S. Mughal, Shakir Ullah, S. Hussain, Izhar Sadiq   +7 more
semanticscholar   +1 more source

Gemstones

Choice Reviews Online, 1988
  +4 more sources

Growing gemstones!

5 to 7 Educator, 2008
May's gemstone is the emerald, therefore Paula Hammond's activities give the children the chance to grow their own-or at least some inexpensive green crystals!
openaire   +1 more source

Gemstones

2022
openaire   +1 more source

Synthetic Gemstones

Science, 1981
openaire   +2 more sources

Gemstones-bearing sediments in the Mbiame floodplain, northwestern Cameroon

Journal of Sedimentary Environments, 2020
Mary Ewokolo Molua Mbua Etutu, C. Suh, A. Vishiti, E. Shemang, C. M. Agyingi, J. Mendes   +5 more
semanticscholar   +1 more source

Identification of gemstones using portable sequentially shifted excitation Raman spectrometer and RRUFF online database: A proof of concept study

The European Physical Journal Plus, 2019
A. Culka, J. Jehlička
semanticscholar   +1 more source

Nanoparticle-Enhanced Laser Induced Breakdown Spectroscopy for the noninvasive analysis of transparent samples and gemstones.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2018
Can Koral, M. Dell’Aglio, R. Gaudiuso, Rim Alrifai, M. Torelli, A. Giacomo   +5 more
semanticscholar   +1 more source

Gemstones

Mineralogical Magazine, 1973
openaire   +2 more sources