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Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide
This list includes those recognised minerals beginning with the letter G.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.
Sapphire (gem corundum of any color except red, especially blue varieties) Sard (a variety of chalcedony/quartz) Satinspar (a variety of gypsum) Selenite (a variety of gypsum) Simetite (a variety of amber) Smoky quartz (a brown or black variety of quartz) Soda niter (synonym of nitratine) Spectrolite (a variety of labradorite) Spessartite ...
Some valid names get discredited (in the broader sense [clarification needed]). Tohdite (hydrous alumina) was conditionally approved as 'IMA2004-051'. But the re-examination of the holotype material of akdalaite ((Al 2 O 3 ) 5 ·H 2 O, 'IMA1969-002') from the Fersman Mineralogical Museum in Moscow showed that both minerals were identical ...
Before buying any old gem, though, keep reading to uncover the 25 most popular gemstones—and their meanings. Agate “Agate is earthy, warm and rich,” Salzer says, noting that it exists in ...
A number of individual gemstones are ... with a weight of 1,404.49 carats (280.898 g), it is the ... Timur Ruby, believed to be a ruby until 1851, hence its name;
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Given name Heliodor Given name / surname It is a given and surname. [2] [3] Heliodor is a specimen of the mineral Beryl. Heliodor has a yellow, greenish yellow, or golden-yellow color. The given name has a Czech-Slovak origin. [3] Precious coral: Coral (given name) Given name Coralie: Given name Coraline (given name) Given name Celestine ...