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Topaz from Monte Arci, Sardinia Italy Topaz from Monte Arci, Sardinia Italy 2
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Topaz from Monte Arci, Sardinia, is a rare mineral found in volcanic cavities, red color is due to hematite microinclusions . size 6 x 4 x 3 cm 
Topazio imperiale , 135 carati - Ouro Preto, Brasile Topazio imperiale , 135 carati - Ouro Preto, Brasile 2
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Splendido topazio imperiale di colore intenso, dal peso di 27 grammi (circa 135 carati). Cristallo di grande qualità, ulteriormente valorizzato da fluorescenza sotto luce UV a onda lunga (LW). Size 4x2,6x1,8 cm
Vanadinite, Descloizite - Kabwe Mine (Broken Hill Mine) Zambia Vanadinite, Descloizite - Kabwe Mine (Broken Hill Mine) Zambia 2
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In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite.  SEM investigation has shown alternating layers of dark  vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 12x9x5 cm
Hopeite (TL) - Kabwe Mine (Broken Hill Mine) Zambia Hopeite (TL) - Kabwe Mine (Broken Hill Mine) Zambia 2
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In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite.  SEM investigation has shown alternating layers of dark  vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 8x6x3 cm
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