$300Median
173Sold (12 mo)
$2,000Last sale
Siderite from Alston Moor, England, UK
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Attractive old specimen showing slightly amethystine glassy and gemmy crystals of quartz averaging 0.3 cm in size completely covering this breccia matrix. Crystals of siderite are richly scattered throughout. There is a natural fracture through the matrix, this is re-cemented and the piece is solid. Crystallized all around with no real points of attachment. The specimen comes with an antique label as shown at the end of the video. The original date of acquisition for Mr. Gruson was 1911, however this this piece was originally in the collection of Hoyer that was sold off an 1893. This piece dates the latter 19th century. Overall in good condition.
Product details
SizeLarge Cabinet
Dimensions19.0 x 19.0 x 2.3 cm
Listed on10/15/2026
LocalityUK, England, Alston Moor
SKU1052068
Current owner
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Mineral guide
Learn about Siderite
warm-toned iron carbonate with sharp rhombohedra and occasional gemmy crystals; prized for luster, classic localities Harz, Panasqueira, Dal’negorsk.Regional guide
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