“Black, reflective, platy groups of hematite variety specularite in quartz. Self collected in Saint David, likely outwash from the Whetstone Mountains to the West. Rolf Luetcke specimen and photo.”
“Black, reflective, platy groups of hematite variety specularite in quartz. Self collected in Saint David, likely outwash from the Whetstone Mountains to the West. Rolf Luetcke specimen and photo.”