Large unusual 'Angle-plated' Quartz - old and rare!

Randolph County, North Carolina
Large Cabinet, 29.3 x 17.8 x 1.5 cm
Start Time: 01/01/2017 10:45:00 am (CST)
End Time: 01/05/2017 6:30:00 pm (CST)
Auction Closed

Item Description

This is by FAR the largest, most exotic and BEST of the small lot of 7 pieces we recently obtained of these so-called "angle plated quartz" specimens. These are certainly some of the most fascinating and unusual quartz varietals from ANY world-wide locality. They have also been called "reticulated quartz." They occur only in Randolph County, North Carolina and Pickens and Oconee Counties, Georgia (our source has told us it is from an old Carolina collection, though). Mode of formation is imperfectly known. Formation theories include: 1) silica precipitated in cracks in red clay. The cracks are filled with micro-crystalline quartz and the "plates" are often encrusted with drusy quartz; or 2) pseudomorphs after calcite or barite. You can see drusy quartz on some of the plates. Whatever the mode of formation is, these are certainly a striking and rare quartz varietal. This fabulously sculptural piece has been sawed into its present exotic slab-like form. I have not seen these for sale in a long time, and am actually curious myself as to what they may be worth! Unusual! TIS IS THE LARGEST OF THE GROUP WE WERE GIVEN TO SELL FOR A CONSIGNOR, FROM AN ESTATE.

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