Rutile Pseudomorphs after Brookite on Albite after Quartz Pseudomorph  

Magnet Cove, Arkansas

These mineral specimens are classics from the famous Arkansas mineral region of Magnet Cove.  The brookites are high luster, well formed crystals.  Brookites from Magent Cove are a North American classic.        Most of the brookites from this classic site at Magnet Cove, Arkansas show growth hillocks on their surfaces.

Nice examples from this classic U.S. location.  Seldom seen on the mineral market today these specimens are from a find made in the early 1970s.   All show well formed brookite crystals, pseudomorphed by rutile, many with highly developed growth hillocks on or more of the crystal faces.  The crystals have great metallic luster but the growth hillocks sometimes make them appear duller than they really are.  All are on quartz which has been altered to albite.  Tough to get material at a very reasonable price.

 

 

OKC-029   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   5 x 4.5 x 4.5 cm specimen with brookite crystals to 1 cm on edge.  Most crystals in high relief with one sitting high on the piece.  Approx. a dozen crystals. 35$

 

 

 

 

 

OKC-031

OKC-031   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   4 x 3.8 x 2 cm specimen with brookite crystals to 1 cm on edge.  Most crystals in high relief with one sitting high on the piece.  Approx. 10 crystals.  25$

 

 

 

 

 

OKC-043

OKC-043   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   5.5 x 3 x 2 cm specimen with brookite crystals to .7 cm on edge.  These crystals have no growth hillocks so look far more lustrous.  Most crystals in high relief with one sitting high on the piece.  Approx. 4 crystals.  35$

 

 

 

 

 

OKC-035

OKC-035   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   6 x 2.5 x 2 cm specimen with brookite crystals to 1 cm on edge.  Most crystals in high relief with one sitting high on the piece.  Approx. 5 crystals.  40$

 

 

 

 

 

OKC-040

Brookite close- up

OKC-040   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   7.5 x 6 x 3 cm specimen with brookite crystals to .8 cm on edge.  Most crystals sit within the quartz pseudos but show exceptionally well.  Very nice growth hillocks on this one.  Approx. 8 large crystals and many smaller ones.   50$

 

 

 

 

 

OKC-039

OKC-039   Rutile Pseudomorph of Brookite on Albite after Quartz Pseudomorph   Magnet Cove, Arkansas.   7.5 x 5 x 3 cm specimen with brookite crystals to over 1 cm on edge.  Most crystals in high relief with one most on the main quartz pseudo.  Approx. 10 larger crystals and dozens of smaller ones.  60$

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