Tri-State District, Cherokee Co., Kansas, USA

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Baryte : BaSO₄, Sphalerite : (Zn,Fe²⁺)S
	Tri-State District, Cherokee Co., Kansas, USA Barite and Sphalerite. Specimen is from the George Vaux collection at Bryn Mawr College, Bryn Mawr, Pennsylvania, USA. Scale at bottom of image is an inch with a rule at one cm.
	Photo ID: 228212 View Count: 40
Calcite : CaCO₃
	Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA These rounded "knob" terminations were only seen on the calcites from the Treece area. This honey-colored crystal measures 3x3x8 inches and is in the Charles Creekmur collection.
© Charles Creekmur	Photo ID: 17663 View Count: 269
Calcite : CaCO₃
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA Tremendous cabinet specimen of gem Golden Calcites on matrix! This is one of the finest Tri-State Calcite specimens that I've ever seen or owned! It almost could be confused for an Elmwood specimen if not for the matrix. The Calcite crystals are in excellent shape with transparent tips and transparent to translucent centers. They measure 12.7 ...
© www.exceptionalminerals.com	Photo ID: 154581 View Count: 135
Calcite : CaCO₃, Sphalerite : (Zn,Fe²⁺)S, Galena : PbS
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 7.6 x 5.8 x 4.8 cm. A classic and aesthetic combination specimen from the famous Mid-Continent Mine of the Tri-State District. A 6.2 cm, lustrous and translucent, frosted, golden-amber calcite scalenohedron is jauntily attached to silicified limestone matrix covered with sphalerite and a couple of sharp galena cubes. Pristine, old material from ...
© Rob Lavinsky	Photo ID: 160564 View Count: 83
Calcite : CaCO₃
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 8.9 x 6.2 x 3.2 cm. A cluster of translucent calcite crystal, of light amber to tan color, to about 4 cm. There is something ultra-cool about this specimen: from the termination tips of each large crystal grows a second, smaller crystal of the same form, with side faces and terminations of their own! Ex. Feist Collection.
© Rob Lavinsky	Photo ID: 159307 View Count: 79
Calcite : CaCO₃, Galena : PbS
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA Large Golden Calcite perched atop stacked Galena crystals! This is one impressive Tri-State specimen and I like the fact that the Calcite is DT'ed! The Galena cubes are mirror-faced and partially coated with drusy at the same time. This is just a neat old piece from a classic mining district. From the Mid Continent Mine, Treece, Picher Field, ...
© www.exceptionalminerals.com	Photo ID: 155196 View Count: 78
Calcite : CaCO₃, Sphalerite : (Zn,Fe²⁺)S
	Baxter Springs, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 11.5 x 7.5 x 4.2 cm. This is an outstanding Tri-State specimen (probably 40-60 years old). Here you have four superb amber-colored calcites perfectly arranged along the edge of a matrix covered with sparkling, wine-colored sphalerites. The largest calcite measures 6.5 cm. Ex. George Feist Collection.
© Rob Lavinsky	Photo ID: 209862 View Count: 69
Calcite : CaCO₃
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 8.9 x 6.1 x 5.7 cm. There are two completely different forms of calcite here on the same specimen - and the lone scalenohedral crystal happens to have one of the other form (gemmy, light champagne color) growing on its termination! Ex. Feist Collection.
© Rob Lavinsky	Photo ID: 174420 View Count: 67
Calcite : CaCO₃
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA A 3.7 by 2.0 cms group of crystals. JSS specimen and photograph.
© JSS	Photo ID: 172586 View Count: 59
Calcite : CaCO₃
	Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA 6.9 x 6.4 x 2.9 cm. An old Tri-State calcite from Treece, featuring a light amber crystal measuring 4 cm, with an extension crystal growing right out of the tip of its termination. The calcite has fine luster, and is complete and undamaged all around. Probably collected prior to the 1960s, from the Feist collection.
© Rob Lavinsky	Photo ID: 199349 View Count: 44