Azurite is a blue copper mineral with the chemical formula It forms monoclinic crystals. Azurite weathers into malachite. Azurite is used as a pigment, in jewelry, and as a decorative stone. This stone is called "Velvet Beauty" from Bisbee, Arizona.
Unusual specimen of Mexican Opal with Rutile inclusions It is a mystery on how this Opal was formed this way. Opal is silica and Mexican Opal is volcanic so to have rutilated needles form inside the silica or Opal it needed to have cavities.