Dragon Minerals - Discounted Minerals

Click 'refresh' or 'reload' on your browser to make sure you have the newest version of this page.
Sold specimens are removed from the web site.

Click an image to enlarge. Click the locality for more information.

37027: Gypsum, Sphalerite, and Chalcopyrite - Was $8   Now $4
Joplin Field, Jasper County, Missouri
Miniature - 4.2 x 3.1 x 2.8 cm
52 grams
Specimen status: Available
Send an email with specimen number to order

The core of the specimen is massive to crystalline sphalerite, having an orange-brown to dark brown color and slightly iridescent surface. Across this surface are peppered numerous small and brassy chalcopyrite crystals. Of greatest interest here is the 7 mm gypsum blade perched on one sphalerite face. Gypsum is uncommon in Joplin Field mines (Mindat doesn't list this mineral for the locality), although its presence is quite reasonable, formed by oxidation of the abundant sulfide minerals in this deposit.

Return to Discounted Minerals page   |   Return to Dragon Minerals home