Actinolite : ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
4cm
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“Samples of actinolite from a small vein in the quarry, this vein has been covered by a landslide and is imposible to collected specimens anymore.
Number of specimens:2
Collected and donated by Samuel Macías.”
University of Guayaquil's Collection - 2nd August 2016
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