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(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 20 CTS FP 427

(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 20 CTS FP 427

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: 22 X 18 X 13 MM APPROX. 

WEIGHT: 20 CTS APPROX.

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Pricing & Details

Auction ID 9482
Watchers 3 watching
Viewed 907 times
Starts 3rd Nov 2007 2:15pm PDT

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