Opal. Coloured scanning electron micrograph (SEM) of the fractured surface of an opal, a type of precious stone. Opal is a form of hydrated, amorphous silica (SiO2). The glittering iridescent colours of an opal are due to water molecules trapped in the silica structure.
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Creative#:
TOP10165485
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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No
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