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Diaphanometopidae
Minerals were located and identified using BSE mode on Hitachi S3000N SEM coupled with an X-ray detector Bruker XFlash 3001 for microanalysis (EDS) and mapping
actually arachnids
Possible coatings include gold (resulting in a stone called aqua aura)
posteriorly recurved then straight
22089 - Beautiful Purple Natural Quartz Geode Minas Gerais District - Brazil Hollardops DiaphanometopidaeBeautiful variety of quartz (SiO2) and owes its dark color to irradiation, impurities of iron and in some cases other transition metals, and the presence of other trace elements, which result in complex crystal lattice substitutions. The hardness of the mineral is the same as quartz, thus making it suitable for use in jewelry.