(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 25 CTS FP 931

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
 ASTROPHYLLITE SPECIMEN IN MATRIX(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH) EVESLOGCHORR MT.,KHIBINA MASSIF,KOLA PENINSULA, RUSSIA 

ASTROPHYLLITE IS A VERY RARE, BROWN TO GOLDEN YELLOW HYDROUS POTASSIUN IRON TITANIUM SILICATE MINERAL. BELONGING TO THE ASTROPHYLLITE GROUP.

ITS HIGH, SUBMETALLIC LUSTRE AND DARK COLOR CONTRAST SHARPLY WITH THE LIGHT COLOURED (FELSIC) MATRIX THE MINERAL IS REGULARLY FOUND WITHIN. ASTROPHYLLITE IS USUALLY OPAQUE TO TRANSLUCENT, BUT MAY BE TRANSPARENT IN THIN SPECIMENS.

 

 SIZE: 23 X 18 X 7 MM APPROX. 

WEIGHT: 25 CTS APPROX.

2d 0h 58m 31s

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Auction ID 11071
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Starts 2nd Dec 2016 12:47pm PST
Ends 5th Dec 2016 12:42pm PST

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