Large Olmiite plate with Quartz

N'Chwaning II Mine, N'Chwaning Mines, Northern Cape, South Africa
Large Cabinet, 19.5 x 12.6 x 5.2 cm, 2.1 pounds
Start Time: 10/17/2024 7:00:00 pm (CDT)
End Time: 10/24/2024 6:30:00 pm (CDT)
Time Left:
Current Bid: $30
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Minimum Bids and Increment Bids

The minimum bid for the first bidder is the starting bid of $10 (unless indicated otherwise in special higher-reserve auctions), and from there you can bid incrementally by one or more "bid increments" as you desire. The bid increments are:

$5 for bids of $10 to $50
$10 for bids of $51 to $500
$25 for bids of $501 to $1000
$50 for bids of $1001 to $5000
$100 for bids of $5001 to $10,000
$250 for bids of $10,001 to $25,000
$500 for bids of over $25,000

Item Description

Impressive, large and sculptural olmiite plate from the famous Kalahari Manganese Field of South Africa. Spherical clusters of sharp, gray, orthorhombic crystals dramatically cover the undulating plate. The two large dominating balls are 3.7 and 3.5 cm across. The famous N'Chwaning II Mine is the Type Locality and was only approved as a new species in 2006. Finds in the early 2000s were mislabelled as Poldervaartite, an analogue species. Enhancing accessories are the striking, 5.8 cm doubly terminated quartz crystal on one edge with multiple terminations on one end and the adjacent field of glassy quartz crystals on the bottom of the piece. Mass is 950 grams or 2.1 pounds. A striking giant piece of the species and an excellent large example of this varietal to be offered at auction.

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Bidding History

Bid Amount Bid Time
$30 10/21/2024 11:35:24 pm (CDT)
$25 * 10/21/2024 11:34:33 pm (CDT)
$25 * 10/21/2024 11:34:33 pm (CDT)
$20 10/21/2024 6:37:38 pm (CDT)
$15 10/19/2024 11:50:42 am (CDT)
$10 10/18/2024 1:31:38 pm (CDT)
* Proxy Bid Battle: In the event of two customers inputting matching proxy bids, the leading bid goes to the earliest of the two proxy bids. Tie winners are shown in bold.