Results 231 to 240 of about 712 (251)

Brazilian gemstones

Earth-Science Reviews, 1981
openaire   +1 more source

Gemstones:

2011
openaire   +1 more source

Gemstones Galore

Rocks & Minerals, 1975
openaire   +1 more source

Spectroscopic and Microstructural Studies of Ruby Gemstones of Sinapalli, Odisha

Journal of the Geological Society of India, 2015
exaly  

Elemental Analysis of Indian Natural Chrysoberyl Gemstones by PIXE Technique

Lecture Notes on Multidisciplinary Industrial Engineering, 2019
exaly  

new gemstone

2009
openaire   +1 more source

Gemstones and jade

2009
openaire   +1 more source

Silicon carbide gemstones

1998
HUNTER CHARLES ERIC, VERBIEST DIRK
openaire   +3 more sources

gemstone constant

2009
openaire   +1 more source

ON GEMSTONES

openaire   +1 more source