ULTRA RARE PARAVAUXITE/SIGLOITE - TYPE LOCALITY 5558 !!

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PARAVAUXITE (super rare, great, sharp, lustrous, light green crystals) with tan colored SIGLOITE crystals on matrix. Many of you subscribers to the Mineralogical Record have probably read your copies of the issue, detailing the great (and highly underappreciated) world locality at Llallagua, Bolivia ! These crystals are some of the most beautiful phosphates in the world. They are highly prized for their rarity and beauty. This "cabinet" size piece features superb, incredibly rare, sharp, lustrous, light green crystals of PARAVAUXITE associated with tan colored crystals of SIGLOITE crystals with iron-stained WAVELLITE on matrix. SIGLOITE forms as the result of the alteration of PARAVAUXITE . This specimen is from the type locality for both species ! Mark Chance Bandy described PARAVAUXITE crystals in his book "Mineralogy of Llallagua, Bolivia". He states that " PARAVAUXITE is the most abundant of all the "Vauxites" from this mine," and with that said, you almost never see specimens, especially pieces that are larger than "thumbnails" available on the market, and it is virtually unheard of to see both PARAVAUXITE and SIGLOITE together !! This piece is a great example of the prismatic, sheaf-like parallel growths that Mr. Bandy described. Enjoy!! NO RESERVE !! Locality : Siglo XX mine, Llallagua, Bustillos Province, Potosi Department, read more