Phosphosiderite (great color) (analyzed and confirmed)

Sapucaia, Brazil
Gems, 14.67 ct, 18.00 mm x 13.09 mm
Start Time: 05/26/2011 7:00:00 pm (CDT)
End Time: 06/02/2011 7:00:00 pm (CDT)
Auction Closed

Item Description

Phosphosiderite is fairly uncommon hydrated iron phosphate that is rarely seen in the gem world. Recently, we obtained a small parcel of what are some of the richest Phosphosiderite gems with some of the richest color that I have seen for the material. The stones are from Sapucaia, Brazil, which has procuded massive Phosphosiderite in the past, but typically not as strong and consistent of a color as these new stones. This gem has a "Cushion Cabochon" cut with a very distinctive purple/lavender hue. The stone is sold Phosphosiderite, with no other minerals mixed in, which is rare in my experience. I have only seen a few very tiny faceted gems of this material in my life, but cabochons such as this one are rare and attractive, not to mention worthwhile for any gem collector. We had this material analyzed, and it was verified as fine-grained Phosphosiderite. I am happy to provide a copy of the analysis to anybody who would like it.

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