Crystals & Stones

Natural pink opal from the northern Arequipa area, Peru; Parent Géry, CC BY-SA 3.0 — Roosters Peacock crystal guide
Pink Opal: The Stone of Gentle Renewal, Emotional Balance & Hope
Learn about Pink Opal’s hydrous-silica composition, modern symbolism, and practical care for this relatively soft opal variety. Read more...
Natural opal specimen from Queensland, Australia, displayed at the Natural History Museum of Los Angeles County; Eric Polk, CC BY-SA 4.0 — Roosters Peacock crystal guide
Opal: The Stone of Creativity, Reflection & Shifting Color
Opal is hydrated amorphous silica and a mineraloid rather than a crystalline mineral. Explore precious and common opal, play-of-color, care, history, and modern metaphysical associations with creativity and reflection. Read more...
Fire opal specimen; photo by Shannon Heinle, CC0 — Roosters Peacock crystal guide
Fire Opal: The Stone of Passion, Creativity & Radiant Confidence
Fire Opal is a transparent-to-translucent Opal variety, hydrated amorphous silica SiO2·nH2O, known for yellow-to-orange-to-red body color and not necessarily for play-of-color. Explore its mineral science, Mexican gem history, modern symbolic... Read more...
Rough Welo Ethiopian opal; photo by Dpulitzer, CC BY-SA 4.0 — Roosters Peacock crystal guide
Ethiopian Opal: The Stone of Creativity, Reflection & Shifting Perspective
Ethiopian Opal is hydrous amorphous silica, SiO2·nH2O, and much Welo material is hydrophane, meaning it can absorb water and temporarily change appearance. Explore its mineral science, modern Ethiopian source history,... Read more...