| Locality type: | Beds |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Petrified wood occurrence, Collesalvetti, Livorno Province, Tuscany, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1275486 |
| Long-form Identifier: | 1:3:1275486:7 |
| GUID (UUID V4): | 0838f84e-149f-41a7-a199-846f52b29e6d |
| Nearest other occurrences of Chalcedony |
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| 0.6km (0.4 miles) | ⓘPetrified wood occurrence, Livorno, Livorno Province, Tuscany, Italy |
| 9.6km (5.9 miles) | ⓘQuartz occurrences, Gabbro, Rosignano Marittimo, Livorno Province, Tuscany, Italy |
| 12.3km (7.7 miles) | ⓘMacchia Escafrullina Mine, Nibbiaia, Rosignano Marittimo, Livorno Province, Tuscany, Italy |
| 13.0km (8.1 miles) | ⓘFortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy |
| 14.4km (8.9 miles) | ⓘBotro Masaccio quarry, Rosignano Marittimo, Livorno Province, Tuscany, Italy |
| 23.2km (14.4 miles) | ⓘI Gulfi (Termine), Chianni, Pisa Province, Tuscany, Italy |
| 28.1km (17.5 miles) | ⓘMiemo, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy |
| 40.3km (25.0 miles) | ⓘLa Sassa carbonate vein, La Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy |
| 40.7km (25.3 miles) | ⓘLa Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy |
| 44.1km (27.4 miles) | ⓘMalentrata, Pomarance, Pisa Province, Tuscany, Italy |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Ala., many beautiful specimens of agate and chalcedony are found as loose pebbles along with chert....hollow were lined with bluishwhite botryoidal chalcedony; small rock crystals were noted in a few specimens...Cliff, York Co., Me. MARYLAND: Large pieces of petrified wood, grayish black in color and showing grain,...Interesting specimens of brownish limonited wood (limonite pseudo after wood) have been found at Emporia, Lyon...his area. The specimen is brownish petrified wood with a chalcedony center; it is 2 x 2 x 2 inches in |  | | Journal (article/letter/editorial) | | from this, duricrusts (dolcretes/calcretes, petrified wood/*silcretes<<, phosphatized arkoses/phoscretes)...took place near the fan head, whereas silicified wood and calcretes are more common within a transition...are relatively scarce, there is only one major occurrence in the Permian Phosphoria Formation in the U...sediments containing calcretes, dolcretes, silicified wood, phoscretes and phosphatized arkoses are host rocks...e t r i f i e d w o o d 5.3.1 Results Silicified wood stems are randomly distributed within the arenaceous |  | | Journal (issue) | | gold-bearing gravel over riffles gouged in huge rock or wood slabs to catch the elusive yellow metal. They were...Pyrophyllite Mang anaxlnito ·sapphire Sand Pclrificd Wood Mcyorholferile Forstorito Rose Quartz Wondorstono...Natrolilo Oil Shale Gilsonitc Tcphroilo •coquimbitc Chalcedony Topaz - xi Garner- xi Chondrod,le Stilpnomclane...that make it so dense, and its varied manner of occurrence, we not only can give it spec ial value but can...US A1': GEM & LAPIDARY WHOLESALERS, INC. 859 .Petrified Forest Rd. P.O. Box 98 Plorn, MS 39071-0098 Telephone: |
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