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water-clear double terminated fluorapophyllite crystals
A standard black light generally will not make minerals fluoresce (glow)
tabular hexagonal calcite crystal shows an interlayering of white and clear/greenish calcite
Large gemmy green twinned titanite crystal with colusite
Size: 27 x 19 x 10 mm
Botryoidal Turkish Crater Agate with Hematite & Goethite Sapphire water-clear double terminated fluorapophyllite crystalsLustrous botryoidal crater agate cluster with hematite & goethite. Size: 95 x 55 x 45 mm. 352 grams From Cubuk, Ankara Province, Turkey Botryoidal agate is a type of agate that has a rounded, grape like appearance. It is formed when silica rich water fills cavities in rocks and deposits layers of chalcedony, a microcrystalline variety of quartz. The botryoidal shape is created by the growth of tiny spherical crystals on the surface of the chalcedony.
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