Thumbnail, 1.9 x 1.3 x 1.1 cm
Black Pine Mine (Combination Mine; Black Pine Tailings; Black Pine Dump), Flint Creek Valley, John Long Mts, Philipsburg District (Flint Creek District), Granite Co., Montana, USA
Lustrous blue veszelyite crystals to 3 mm on matrix from the Black Pine Mine of Montana, source of the worlds largest and some of the finest veszelyite crystals. Veszelyite is a rare phosphate. See the Mineralogical Record article in the November-December 1992 issue. 1.9 x 1.3 x 1.1 cm