Jewel__A_Celebration_of_Earth_s_Treasures
Aragonite slice | Cut | Layered aragonite forms in caves as stalactites. It is polished as cabochons, used as jewellery mounting ...
100 CARBONATES Rhodochrosite on quartz | Rough | In this magnificent specimen, facet-grade rhombohedral crystals of rhodochrosit ...
RHODOCHROSITE–CERUSSITE 101 Faceted cerussite | Cut | Similar to rhodochrosite, cerussite is soft and extremely difficult to fac ...
102-103_DPS_Byzantine_Mosaic.indd 102 18/05/2016 11:43 ...
BYZANTINE JEWELS 103 Empress Theodora, Byzantine mosaic, San Vitale, Ravenna, c.6th century This mosaic depicts the Empress and ...
104 CARBONATES F ound as fine-grained masses, in veins, crusts, or in nodules, and occasionally as crystals, variscite is valued ...
VARISCITE–SMITHSONITE 105 S mithsonite can be various colours including yellow and pink, but blue-green is the most prized of al ...
A zurite is thought to have been used in blue glaze in ancient Egypt, and it was used as a blue pigment in Renaissance European ...
M alachite powder was used as eyeshadow, pigment for wall painting, and in glazes and coloured glass in ancient Egypt around 5,0 ...
Queen Desideria's malachite parure Portrait of Queen Desideria of Sweden and Norway, 19th century | Owner of the malachite parur ...
109 U nlike many treasures held by Europe’s royal families, the 19th-century parure owned by Queen Desideria of Sweden and Norwa ...
Turquoise B eads made from turquoise dating back to c.5000 BCE have been found in Mesopotamia (present-day Iraq), making it one ...
Settings Turquoise and gold necklace | Featuring irregular, polished turquoise nuggets, this necklace is interspersed with spher ...
112 MARIE-LOUISE’S DIADEM Marie-Louise’s diadem | c.1810 | Originally set with emeralds, subsequently set with turquise cabochon ...
MARIE-LOUISE’S DIADEM 113 F ew pieces of historic jewellery have undergone such a dramatic makeover as the Marie-Louise Diadem. ...
Gems for anniversaries 114 GEMS FOR ANNIVERSARIES S tones have been assigned to planets, days of the week, and, most enduringly ...
GEMS FOR ANNIVERSARIES 115 Jade (12th year) Jade is a flexible gem that can be carved into a vast array of objects. Opal (14th y ...
116 PHOSPHATES B razilianite was only discovered and named – after the South American country of its discovery – in 1945, making ...
BRAZILIANITE–AMBLYGONITE 117 T he Greek words amblus (“blunt”) and gouia (“angle”), are the origin of amblygonite’s name – an al ...
118 PHOSPHATES Oval brilliant | Colour variety | Apatite gems displaying a fine blue colour, such as this 6.16-carat blue oval b ...
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