Quartz (''Mango'' Quartz) with Halloysite inclusions

Cabiche, Quípama Mun., Boyacá Dept., Colombia
Small Cabinet, 6.6 x 2.1 x 1.1 cm
Start Time: 11/25/2023 6:45:00 pm (CST)
End Time: 11/30/2023 6:45:00 pm (CST)
Auction Closed
Winning Bid: $165

Item Description

Quartz is an abundant and diverse mineral species. It occurs in a wide range of habits/styles, colors and often is a host for other mineral inclusions, creating signature specimens. This piece is a very nice example of these unique and attractive Quartz specimens which are commonly referred to as "Mango Quartz". We first started seeing them on the market in 2017. Due to their wonderfully singular color, along with excellent crystallization, they were very well-received, and instantly regarded as some of the most distinctive Quartz crystals ever found. This distinguishing soft yellow-orange color is what obviously inspired the "Mango Quartz" nickname. Typically, Colombia isn't a big Quartz crystal producing country, and these crystals were actually mined along a roadcut in the middle of the famous Emerald mining region in Boyacá. The upper portions of most of these crystals feature bright yellow-orange inclusions of a mineral that was first reported to be Humboltine, but others have since stated it is Halloysite. The Quartz crystals are high quality in their own right, as they are textbook, hexagonal prisms with good luster, sharpness and fine internal gemminess, which is only accentuated by the beautiful inclusions. This piece is a lovely crystal group featuring a pair of sharp, lustrous, prismatic crystals with colorless, gem clarity at the base, and of course those eye-catching yellow inclusions on the terminations, free of matrix. I don't know if there will be more of these in the future, so if you're a fan of interesting Quartz specimens or unique inclusion specimens, don't pass this one up, as there are not nearly as many as there were a few years ago. For more information, please see Rocks & Minerals May/June 2019 issue, Vol. 94, No. 3.

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Bidding History

Bid Amount Bid Time
$165 11/30/2023 6:20:48 pm (CST)
$155 11/30/2023 5:34:00 pm (CST)
$153 11/30/2023 5:34:00 pm (CST)
$133 11/30/2023 5:33:23 pm (CST)
$123 11/30/2023 5:33:23 pm (CST)
$112 11/30/2023 5:33:12 pm (CST)
$102 11/30/2023 5:33:12 pm (CST)
$92 11/30/2023 5:32:27 pm (CST)
$82 11/30/2023 5:32:26 pm (CST)
$72 11/30/2023 4:26:35 pm (CST)
$62 11/30/2023 4:26:35 pm (CST)
$49 11/26/2023 9:03:22 am (CST)
$44 11/26/2023 9:03:22 am (CST)
$10 11/26/2023 2:38:19 am (CST)