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alb10653786

Agate from Brazil, LM

Polarized light photomicrograph of a thin section of agate from Brazil. Agate is made of microcrystalline silica (SiO2), called chalcedony. This image illustrates the origin of agate: hot, silica-rich solutions repeatedly deposit thin layers of chalcedony, often in radial patterns, that vary in shape, color, transparency and thickness. Sometimes linings of crystalline quartz may be present; other times 'dirty' solutions deposit black linings that help track the progressive growth of the rock. Polarized light, crossed polarizers and red tint plate. Thickness of section: 30 microns. Zeiss Axioscop 40pol. Width of view: 2.7 mm.
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Title:
Agate from Brazil, LM
Caption:
Polarized light photomicrograph of a thin section of agate from Brazil. Agate is made of microcrystalline silica (SiO2), called chalcedony. This image illustrates the origin of agate: hot, silica-rich solutions repeatedly deposit thin layers of chalcedony, often in radial patterns, that vary in shape, color, transparency and thickness. Sometimes linings of crystalline quartz may be present; other times 'dirty' solutions deposit black linings that help track the progressive growth of the rock. Polarized light, crossed polarizers and red tint plate. Thickness of section: 30 microns. Zeiss Axioscop 40pol. Width of view: 2.7 mm.
Credit:
Album / Science Source / Microckscopica
Releases:
Model: No - Property: No
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Image size:
6000 x 4000 px | 68.7 MB
Print size:
50.8 x 33.9 cm | 20.0 x 13.3 in (300 dpi)
Keywords: