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Figure 3
(a) Frequency spectrum analysis of 403 carbon-bearing minerals, with 82 922 individual mineral–locality data (from https://mindat.org as of January 2015). (b) Prediction of the mineral species accumulation curve (All), which plots the number of expected carbon mineral species (y axis) as additional mineral species/locality data (x axis) are discovered. The vertical dashed line indicates data recorded. Images taken with permission from Hazen et al. (2016BB98).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 74| Part 6| December 2018| Pages 539-559
https://doi.org/10.1107/S2052520618014762
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