(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 15 CTS FP 954

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: 20 X 18 X 6 MM APPROX. 

WEIGHT: 15 CTS APPROX.

5d 3h 51m 53s

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Auction ID 11106
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Starts 23rd Jun 2017 2:22pm PDT
Ends 30th Jun 2017 2:18pm PDT

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