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Hornblende crystals, polarized light micrograph

Hornblende crystals, polarized light micrograph. This mineral contains calcium, sodium, magnesium, iron and aluminum in a silicate matrix. It is a member of the amphibole group of minerals, and it is found in igneous and metamorphic rocks. The area here is less than half a centimeter wide.

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Filename: K17-Hornblende01.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 3899x3539 / 8.7MB; amphibole color colors crystal crystalline crystals cut earth science geological geology horizontal hornblende illuminated light lit micrograph mineral pattern patterned patterns polarized polished rock rocks section sectioned silicate slice thin
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Hornblende crystals, polarized light micrograph. This mineral contains calcium, sodium, magnesium, iron and aluminum in a silicate matrix. It is a member of the amphibole group of minerals, and it is found in igneous and metamorphic rocks. The area here is less than half a centimeter wide.