Results 181 to 190 of about 1,971 (197)

Roman Wheel-cut Engraving, Dyeing and Painting Microquartz Gemstones

Journal of Archaeological Science, 2003
exaly  

new gemstone

2009
openaire   +1 more source

Gemstones and jade

2009
openaire   +1 more source

Spectroscopic and Microstructural Studies of Ruby Gemstones of Sinapalli, Odisha

Journal of the Geological Society of India, 2015
exaly  

gemstone constant

2009
openaire   +1 more source

treated gemstones

2009
openaire   +1 more source

Synthetic gemstones

Quarterly Reviews, Chemical Society, 1961
openaire   +1 more source

ON GEMSTONES

openaire   +1 more source

coated gemstones

2009
openaire   +1 more source

Bohemian gemstones

2009
openaire   +1 more source