Turquoise after Beryl or Apatite
available$3,500
Stunning and large Beryl or Apatite crystal that pseudomorphed to Turquoise. The pseudomorph forms a prismatic hexagonal prism 2.1cm wide and 2.5cm tall. This is an excellent example for the locality as most are much smaller, not as sharp, or are partial crystals (these are brittle on most were destroyed in the removal process); in fact this is the best one I've ever seen. This was acquired from the Bob Reynolds collection. Bob was the former curator for the San Bernardino Co. museum and had many top/best of California specimens in his collection. The following is quoted from Mindat: 'Host rock is Teutonia quartz monazite (Beckerman, 1982). Late turquoise replacement of miarolitic cavities resulted in turquoise pseudomorphs after the following minerals: quartz, muscovite, beryl, microcline, apatite as well unconfirmed orthorhombic pseudomorphs labeled as after barite. Chesterman at the Ca. Div. of Mines and Geology confirmed turquoise pseudomorphs after beryl based on morphology, trace beryl remnants and in situ beryl nearby. (Nazelrod, pers. comm.)'. Ex. Bob Reynolds, Mike Keim collections.