EntityQ3631266· pop 8· linked from 53 articlesHerkimer diamondSign in to saveDiamond-like with quality Quartz Crystal with natural faceting and points on both sidesConnectionsdiamondEntitymineralEntitycarbon dioxideEntityCarpathiansEntityWayback MachineEntityquartzEntityflintEntityamethystEntityCambrianEntityagateEntityCarboniferousEntitycalcium carbonateEntitysilicon dioxideEntityopalEntitypyriteEntitydolomiteEntitysedimentEntitycrystal structureEntitychalcedonyEntityonyxEntityCategoriesHerkimer County, New YorkQuartz varieties