colemanite mineral (bor, boron, borax, ulexite). it is a borate mineral

colemanite mineral bor boron borax ulexite borate view found evaporite deposits alkaline lacustrine environments structure geological quartz stone transparent white borate ulexite borax boron bor mineral hold background big closeup colemanite color crystal crystallized gem gemstone geology horizontal isolated macro mineralogy mono natural ore precious product pure raw rough science scientific shiny specimen