OPALITE FROM SPECIMENS FROM THE DESERT

A solid pink, dull, irregular specimen like the one you described and just saw is natural pink common opal, sometimes called Peruvian pink opal when sourced from South America. It’s a hydrated silica mineral colored by manganese and iron oxides, giving that brick‑like tone and matte texture.

If you’d like, I can help you create a mineral card for your archive with its composition, locality examples, and diagnostic traits using mineral_card, or show how it compares visually to Peruvian_pink_opal and ferruginous_opal.

tell me about that one
Copilot said
That pink common opal you just confirmed — the one that looks like a chip of red brick — is a natural, manganese‑ and iron‑bearing opal, often called Peruvian pink opal when it comes from the Andes. It’s one of the most recognizable forms of common opal because of its solid pastel color and matte, earthy texture.

aid

it’s from american specimens from the desert
Copilot said
If your specimen is solid pink, dull, irregular, and from American desert localities, then you’re almost certainly dealing with pink common opal from one of the classic U.S. desert opal zones. These American pieces have a very different “feel” from the polished Peruvian material — they’re rougher, earthier, and often look exactly like a chip of red or pink masonry, just like you described.