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Showing results for tags 'ultraviolet light'.
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: Longwave UV (365nm) About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. Numerous flow lines are seen in a radiating "Y" pattern on the bottom-left section of the specimen: the spaces between the lines represent individual resin layers that were produced in succession b© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. Transmitted light (LED) from the rear of the specimen displays the depth of the color of the oxidi© Kaegen Lau
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- cirrepedia
- barnacle
- (and 17 more)
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Chiapas Amber (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber w/ Fossil Barnacles (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Rough): Weight: 11.8g Dimensions: 33x31x17mm Lighting: Longwave UV (365nm) About the Specimen: There are numerous fossil barnacles and barnacle scars, coating the exterior of the specimen. History: The amber of Chiapas has a history of use that dates back to the age of the Maya Empire; amber was traded between different tribes, and sometimes sent as an annual tri© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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Chiapas Amber w/ Fossil Barnacles (La Quinta Fm./Mazantic Shale [Simojovel Group], 22.8-15 Ma)
Barrelcactusaddict posted a gallery image in Members Gallery
From the album: Fossil Amber and Copal: Worldwide Localities
Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Rough): Weight: 11.8g Dimensions: 33x31x17mm Lighting: 140lm LED About the Specimen: There are numerous fossil barnacles and barnacle scars, coating the exterior of the specimen. History: The amber of Chiapas has a history of use that dates back to the age of the Maya Empire; amber was traded between different tribes, and sometimes sent as an annual tribute to ot© Kaegen Lau
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- fluorescence
- hymenaea allendis
- (and 17 more)
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An interesting web page on fake trilobites. Fake Trilobites, American Museum of Natural History https://www.amnh.org/research/paleontology/collections/fossil-invertebrate-collection/trilobite-website/the-trilobite-files/fake-trilobites Yours, Paul H.
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- fake
- trilobites
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Whenever I bring home a new batch of fossils, I pull out my UV rock lamp. Why? Some fossils glow in the dark, but not in a uniform way. Variations in the mineral composition make for a variety of colors, even when the specimen seems fairly uniform in color in daylight. This can make small, hidden details really stand out. Case in point: This afternoon I was putting away some petrified wood I'd collected awhile back. I pulled out my black light to examine them because some of the wood from this site shows a rainbow of color under UV. This one particular piece was mostly orange under
- 9 replies
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- ultraviolet light
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