Tourmaline (“Floater”)Tourmalines are certainly among the most popular species for collectors, and no matter how many one encounters, a good one will always draw attention. This beautiful specimen has a striking color combination with gemmy colorless "Achroite" terminations, which give way to a stunning teal blue color that mixes into an inky purple color (almost black) in the center. This piece is a complete floater, with no visible point of attachment that I can detect.

Several remarkably sharp AND lustrous crystals of jet-black Sphalerite with notably SMOOTH faces – hardly any striations at all on many faces – are gently intermixed and sitting atop a crystallized “plate” of soft beige-cream-colored compressed rhombohedra or “discs” of Siderite

I love that the center of the specimen was etched out

three-dimensional and fine quality thumbnail specimen from the Kharan District of Pakistan featuring a couple brilliant orange colored "sword"-shaped crystals of Brookite measuring up to 1

Paravauxite

The Rhodochrosite from this mine ranges in its chemistry from the far manganese end to an iron / manganese mix

The best pieces still command a premium on the market

on the north edge of Spain along the Bay of Biscay

Ex Edwin Skidmore

and I was very lucky to get as many good pieces as I did

Specimen # BOL711B138

golden-black "blades" of Goethite forming a beautiful crystallized "mound" sitting atop hollow “casts” or epimorphs after preexisting Quartz crystals

and it's important to note that the Pingtouling Mine is finished