Fluorapatite
Ipirá, Bahia, Brazil
2.0 x 3.4 cm.
A loose doubly-terminated deep blue fluorapatite crystal from Bahia’s phosphate deposits. These apatites are radioactive due to the presence of uranium- and thorium-bearing oxides. (Author: crosstimber)
Dimensions: | 800 x 907 |
File size: | 61.13 kbytes |
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