Related by context. Frequent words. (Click for all words.) 62 garnets 58 malachite 56 chert 56 quartzite 55 topaz 55 sandstone 55 basalt 53 tourmaline 53 amethyst 53 calcite 53 schist 53 ruby 53 ironstone 52 hematite 52 quartz 52 citrine 52 mudstone 51 opal 51 mica 51 limestone 51 basalts 51 olivine 51 petrified wood 51 opals 51 rock outcrops 50 lapis lazuli 50 galena 50 jade 50 gneiss 50 polychrome 50 granites 49 sapphire 49 celadon 49 buttes 49 silvered 49 siliceous 49 sapphires 49 gemstone 49 feldspar 48 iron oxides 48 alabaster 48 onyx 48 obsidian 48 coppery 48 bornite 48 diorite 48 alluvium 48 blackish 48 garnet 48 freshwater pearls 47 chlorite 47 limestones 47 lithologies 47 enamelled 47 opalescent 47 stockworks 47 aquamarine 47 chalcocite 47 volcanic rock 47 engravings 47 sandstone cliffs 47 granite 46 semi precious stones 46 tuffs 46 quartz crystals 46 terracotta 46 muscat 46 ebony 46 pyrrhotite 46 walnut 46 russet 45 marble 45 Geologically 45 incised 45 emeralds 45 turquoise 45 sphalerite 45 disseminated pyrite 45 basswood 45 granitic 45 rhyolite 45 intrusives 45 silvery 45 quarried 45 gemstones 45 coarse grained 45 azure 45 enamel 45 sterling silver 45 red ocher 44 Ni Cu 44 ocher 44 mosaic tile 44 banded iron 44 stone carvings 44 metasediments 44 outcrops 44 peony 44 gravels 44 intricately carved 44 silicification