SIZE: Small Organic Teardrop. MARFA AGATE is a form of Chalcedony found in Presidio CO, TX around the vicinity of Marfa, TX. Sometimes called Red Plume agate (or Bouquet Agate) for their flowery patterns within their translucent shells. Many colors from red to brown can be found within them. Earth and Fire elements in Marfa Agates make them active healers for your soul. Their beauty lies within their swirling nature and art like transformation of minerals into flowers and other natural scenes. They have been suspiciously elusive from us, but we’re starting to find a few pieces here and there. The Marfa, TX locals and ranchers all claim to know where they are, but rarely reveal their secret locations.