Jewel__A_Celebration_of_Earth_s_Treasures
COLOUR GUIDE 339 Pyrite | See p.66 | This gem naturally occurs with a silver or pale brass-yellow colouring. Pyrite has a metall ...
340 COLOUR GUIDE Chalcedony (sard) | See pp.146–47 | This gem is a brownish red (sard) and is translucent through to opaque, wit ...
COLOUR GUIDE 341 Baryte | See p.120 | Yellow, colourless, white, brown, gray, black, or with red, blue or green tints, it is tra ...
342 COLOUR GUIDE Variscite | See p.104 | Variscite ranges from green and yellow-green to green-blue. It is either translucent or ...
COLOUR GUIDE 343 Microcline | See p.171 | Microline can be blue to green, but is usually white to pale yellow or salmon. It has ...
344 COLOUR GUIDE Phosphophyllite | See p.199 | Occurring in blue-green to colourless forms, phosphophyllite is translucent with ...
COLOUR GUIDE 345 Sapphire | See pp.70–73 | Sapphire occurs in various blues, as well as most other colours. Lustre is subadamant ...
346 COLOUR GUIDE Taaffeite | See p.87 | Taaffeite may be pink, violet, colourless, pale green, bluish, or red. It has a vitreous ...
COLOUR GUIDE 347 Scapolite | See p.193 | This transparent gem may be colourless, or range from yellow to rose pink or violet. It ...
6 Glossary and Index 348-351_Glossary.indd 348 07/06/2016 16:14 ...
GLOSSARY 349 Brilliant cut A round cut featuring mathematically calculated proportions of triangular facets top and bottom, whic ...
350 GLOSSARY F Faces The flat surfaces that make a crystal’s external shape. Facet, faceting The cutting and polishing of multip ...
GLOSSARY 351 P Parti-coloured Single crystals that are made up of different colours. Pavilion The lower part of a faceted gem, b ...
andalusite 27, 274 Andes, Crown of the 230–31 anniversary stones 114–15 anthracite 309 apatite 16, 22, 118 aquamarines 16–17, 27 ...
353 carvings cont. coral 315 dumortierite obelisks 277 Egyptian alabaster 122 emerald woman’s head 237 granite 329 howlite 127 h ...
354 earrings cont. tourmaline and platinum 229 vesuvianite 250 zircon 269 Edo, bronze head 49 egg carving, chrysocolla 196 eggs, ...
355 industrial uses amblygonite and lithium 117 baryte 120 copper pipes 48 garnet 259 platinum 44 rutile and titanium 94 scheeli ...
356 pectoral 32–33, 178, 179 pendants see necklaces, pendants pendeloque cut 29 peridot 23, 27, 115, 254–55, 287 Arts and Crafts ...
357 silver cont. Arts and Crafts crescent brooch (Nossiter) 85 and chalcedony pin (Jensen) 149 Fabergé egg 237 jade rose pendant ...
358 The publisher would like to thank the following for their work on this book: Contributors: Ronald Bonewitz, Iain Zaczek, Ali ...
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