Lot 3172

Natural History - Graphitic Banded Iron Formation Cut

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Magenta Pink Gray Agate free shape polished slice: Magenta Pink Gray Agate free shape polished slice. Weight 51.1 grams. Measured 3 3/4 x 2 3/8 inches, approximately 4.7 mm thick. Stone is dyed and has beautiful crystal formation and banded natural de

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Magenta Pink Agate free shape polished slice: Magenta Pink Agate free shape polished slice. Weight 64.4 grams. Measured 3 7/8 x 2 7/8 inches, approximately 5.4 mm thick. Stone is dyed and has beautiful crystal formation and banded natural design.

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Magenta Pink Agate free shape polished slice: Magenta Pink Agate free shape polished slice. Weight 43.2 grams. Measured 3 3/4 x 2 3/8 inches, approximately 3.9 mm thick. Stone is dyed and has beautiful crystal formation and banded natural design.

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Blue Agate free shape polished slice: Blue Agate free shape polished slice. Weight 13.9 grams. Measured 2 1/4 x 1 3/4 inches, approximately 3.1 mm thick. Stone is dyed and has beautiful crystal formation and banded natural design.

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Blue Brown Agate free shape polished slice: Blue Brown Agate free shape polished slice. Weight 11.1 grams. Measured 2 1/4 x 1 1/8 inches, approximately 3.5 mm thick. Stone is dyed and has beautiful crystal formation and banded natural design.

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54Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art Carving: Dimension: 61x7mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202354Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art CarvingSee Sold Price

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83.7Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art Carving: Dimension: 56x8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202383.7Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art CarvingSee Sold Price

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51.3Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art Carving: Dimension: 33x8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202351.3Ct Tibetan Pyu Banded Agate Chung DZi Beads Asian Art CarvingSee Sold Price

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44Ct Two Old Tibetan Pyu Banded Agate Chung DZi Beads Asian Art Carving Antique: Dimension: 42x7mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202344Ct Two Old Tibetan Pyu Banded Agate Chung DZi Beads Asian Art Carving AntiqueSee Sold Price

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53Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving Antique: Dimension: 77x9mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202353Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving AntiqueSee Sold Price

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47Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving Antique: Dimension: 61x9mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202347Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving AntiqueSee Sold Price

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Natural History - Agate Bead Necklace Group: A group of two necklaces of spherical and oblate banded agate beads with gold-coloured metal spacer beads and clasp. 82 grams total, 36-56cm (14 - 22"). Property of a London gentleman; acquired from h

2019Natural History - Agate Bead Necklace GroupSee Sold Price

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33Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving Antique: Dimension: 54x8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian Li

202333Ct Antique Tibetan Pyu Banded Agate Chung dZi Beads Asian Art Carving AntiqueSee Sold Price

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63.64Ct Himalayan Tibetan Natural Banded Agate Chung dZi Bead: Dimension: 43x15mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian L

202363.64Ct Himalayan Tibetan Natural Banded Agate Chung dZi BeadSee Sold Price

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Natural History - Raptor Dinosaur Femur: Cretaceous Period, 145-65 million years BP. A raptor dinosaur femur with a quartz crystal core from Judith River Formation, Montana, U.S.A. 141 grams, 81mm (3 1/4"). From an old Bristol paleontologica

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28.5Ct Tibetan Pyu Banded Agate Chung DZi Bead Himalayan Asian Art Carving: Dimension: 35.7x9.8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australia

202328.5Ct Tibetan Pyu Banded Agate Chung DZi Bead Himalayan Asian Art CarvingSee Sold Price

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Natural History - Graphitic Banded Iron Formation Cut

Item Details

Description

Eoarchean Era, 3.8-3.7 billion years BP. A polished slice of graphitic banded iron formation, showing light coloured layers of rich finely crystalline quartz with darker layers of iron oxide, with varying amounts of graphite; supplied in a glazed display box with information cards. 120 grams total, 82mm (3 1/4"). From a Leicestershire, UK, collection; from Southwest Greenland. [No Reserve]