(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 20 CTS FP 982

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: 24 X 16 X 8 MM APPROX. 

WEIGHT: 20 CTS APPROX.

2d 3h 59m 32s

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Auction ID 22109
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Starts 9th Dec 2016 6:22pm PST
Ends 12th Dec 2016 6:19pm PST

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