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RM3172   Beaverite-(Cu) and osarizawaite
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Yellowish-green aggregates of beaverite-(Cu), accompanied by globular groups of green osarizawaite crystals. From this classic Spanish mine.


Size: 5.2 x 4.6 x 3.2 cm.
Found in ±1998.

Col. J. Viñals, Col. E. Nicolau.


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RM3103   Cordierite and almandine garnet
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In this specimen we can observe several almandine garnet crystals included in a matrix with violet-blue cordierite crystals, the pleochroism of which can be observed on the edges. The specimen belonged to the Peter Seroka collection.


Size: 6 x 5.7 x 4.7 cm.

Col. P. Seroka #601
It shows Pleochroism


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RM542   Mottramite
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A very rich mottramite specimen formed by a layer of minute crystals, very brilliant and with a deep olive green color, near to black on druses, visible only in isolated crystals. A really representative specimen from a classic Spanish gold mines locality.


Size: 7,3 x 6,5 x 3,8 cm.

Ex-col. C. Rewitzer.


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