(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 20 CTS FP 930

Item Information

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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: 21 X 15 X 7 MM APPROX. 

WEIGHT: 20 CTS APPROX.

21h 49m 21s

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Auction ID 11068
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Starts 21st Jul 2017 1:37pm PDT
Ends 24th Jul 2017 1:36pm PDT

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