Jewel__A_Celebration_of_Earth_s_Treasures
APATITE–LAZULITE 119 A single crystal | Rough | This finely- formed single crystal of lazulite in quartz from Afghanistan featur ...
120 SULPHATES T he name “baryte” originates from the Greek barys, meaning “heavy”, a reference to the mineral’s high specific gr ...
BARYTE–CELESTINE 121 Mixed-cut gem | Cut | Celestine is another of the extremely hard-to-cut collector’s gems; this mixed cut sh ...
122 SULPHATES Italian alabaster | Rough | While Italian marble is famous worldwide, the country’s fine alabaster is less well kn ...
ALABASTER–GYPSUM 123 Gypsum crystals | Rough | These gypsum crystals growing from a rock groundmass have their faces highlighted ...
124 SACRED STONES The Adoration of the Mystic Lamb by Hubert and Jan van Eyck Painted in 1432 by the van Eyck brothers for the a ...
124-125_DPS_Bishops_in_Regalia.indd 125 18/05/2016 11:43 ...
C rystals of scheelite can be opaque or transparent. The latter are sometimes cut as gemstones for collectors, and these exhibit ...
P opular with collectors, howlite is generally found in nodules, in which it is usually white with veins of other minerals runni ...
128 QUEEN ELIZABETH’S PELICAN BROOCH Enamel pelican on square-cut ruby | Shown here hanging from a gold-set diamond amid pearls ...
QUEEN ELIZABETH’S PELICAN BROOCH 129 W hile much is known about the symbolism of Queen Elizabeth I’s pelican brooch, information ...
130 MYSTICISM AND MEDICINE Mysticism and medicine S ince ancient times, gemstones have been regarded as talismans, warding off t ...
MYSTICISM AND MEDICINE 131 Coral In Greek tradition, coral necklaces were worn by children to guard against sickness. Zircon In ...
132 SILICATES Edwardian amethyst brooch | This stunning Brazilian amethyst and diamond brooch features a 96-carat, heart-shaped ...
QUARTZ 133 Quartz △ Brazilian amethyst crystal, with broken base Q uartz is the third most common mineral on the Earth’s crust, ...
134 SILICATES Aventurine rough | Dotted with tiny scales of mica or hematite, the quartz variety crystalline aventurine comes in ...
Rose quartz crystals | Crystals of rose quartz are exceedingly rare. Here, a group of crystals up to 1cm (^1 ⁄ 2 in) in length s ...
136 SILICATES Rose quartz | Facet-grade rose quartz is fairly uncommon; the detail of this briolette cut enhances the exceptiona ...
QUARTZ 137 Rose quartz | Facet-grade rose quartz is somewhat cloudy: this 16.34-carat rectangular cushion cut uses large facets ...
138 SILICATES Amethyst and seed pearl brooch | Set in gold and with a flower-and-leaf motif, this brooch’s “petals” are faceted ...
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