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AMBER
Enclosed insects are seen in the amber (A) from thePrussian Coast and (B) from a deposit in Sioily. Dark brownamber in oolite from Westphalia is seen in Figure (C) and apiece of the familiar Prussian bone Amber is pictured at (D).Specimens from the collection of British Museum (NaturalHistory), London.
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QUARTZChalcedony)
A large pol ished moss agate is shown at (A). F igure (B) isa less common, almost transparent blue chalcedony. This stoneis from Transylvania. Due to its crypto-crystalline structure.chalcedony is rarely found in a transparent state. The reddishstone (C) is carnel ian and the cabochon (D) is t iger-eye, thefibrous structure being the result of quarlz replacing aslestos-A bloodstone showing the scattered spots of red jasper, forwhich it is named, is shown at (E), and (F) shows a naturalbanded agate from Uruguay. Specimens from the collection ofBritish Museum (Natural History), London.
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