Lot 71
North America, Southern United States, Florida, Oligocene period, ca. 38 million years ago. This is a stunning agatized and fossilized piece of coral, halved to reveal the stunning botryoidal or "bubble-like" interior crystal formations! Over millions of years, silica replaced the coral minerals, creating chalcedony agate, which is sometimes referred to a chalcedony agate pseudomorph after coral! The interior cavity is open to view the unusual chalcedony structures in hues of creamy white, dusty pink, and apricot. This example is dreamy and visually striking with the rounded lobes, reminiscent of cumulus clouds. Agatized coral is highly prized not only by fossil collectors but by gem and mineral collectors, and this sliced section is perfect for display. Size: 8" L x 6.5" W (20.3 cm x 16.5 cm)
Exquisite forms from Florida are especially in demand as the state produces some of the finest examples of this geological oddity in the entire world. In fact, agatized coral is the state rock of Florida! Hundreds of agatized coral specimens must be found and sliced to even find one like this with botryoidal crystals! Agatized coral of this quality is so rare that it is usually cut up and used in very expensive pieces of custom jewelry. As a complete crystal specimen, this geode is worth even more in its natural state!
Provenance: private southwestern Pennsylvania, USA collection, acquired prior to 2000
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Display stands not described as included/custom in the item description are for photography purposes only and will not be included with the item upon shipping.
#159933
- Condition: Professionally cut and polished along the interior lip. Intact with no repairs.
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| From: | To: | Increments: |
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| $0 | $299 | $25 |
| $300 | $999 | $50 |
| $1,000 | $1,999 | $100 |
| $2,000 | $4,999 | $250 |
| $5,000 | $9,999 | $500 |
| $10,000 | $19,999 | $1,000 |
| $20,000 | $49,999 | $2,500 |
| $50,000 | $99,999 | $5,000 |
| $100,000 | $199,999 | $10,000 |
| $200,000 + | $20,000 |