Gypsum is a soft, water‑bearing sulfate mineral most often found in white or translucent forms such as selenite and alabaster, valued for its delicate beauty, metaphysical lore, and carving potential.
Cymophane is a rare, chatoyant variety of chrysoberyl known for its striking ‘cat’s eye’ effect. This guide explores its optical properties, identification, and value factors for collectors and gemologists.
Tektites is a group of natural glass stones formed when terrestrial material melts during meteorite impacts, producing black, brown, green or orange glassy gems that are prized for their unique origin, striking appearance, and use in jewelry and metaphysical practices.
