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CT413 - Natrolite $ 350 SOLD Poona, India small cabinet - 7.5 x 6.5 x 5 cm ![]() ![]() ![]() ![]() Dense radial spray of colorless Natrolite crystals. Individual crystals reach 5mm in thickness and sparkle across the terminations as you turn it in hand. Ex. Chuck Trantham collection that comes with a couple old labels, a Roberts Minerals label and a Cliff Kruger collection label. Old specimen in great condition.
CT458 - Pyrargyrite $ 280 SOLD Fresnillo, Zacatecas, Mexico thumbnail - 2.2 x 1.8 x 1.5 cm ![]() ![]() ![]() ![]() ![]() Cluster of diverging Pyrargyrite crystals. Largest crystal is 9mm thick. These are sometimes refered to as 'ruby silver' due to the silver content of the mineral and the deep red coloration.
CT459 - Pyrargyrite $ 350 SOLD Fresnillo, Zacatecas, Mexico thumbnail - 2 x 1.5 x 1.5 cm ![]() ![]() ![]() ![]() Cluster of diverging Pyrargyrite crystals. Largest crystal is 9mm thick. The crystals are translucent red when backlit. These are sometimes refered to as 'ruby silver' due to the silver content of the mineral and the deep red coloration. Undamaged and well crystallized all around.
CT525 - Thompsonite $ 125 SOLD Amudika River, near Mirny, Yakutia, Siberia, Russia thumbnail - 2.3 x 2.3 x 3 cm ![]() ![]() ![]() ![]() Beautiful spherical crystal cluster of Thompsonite. Complete all around and undamaged. Neat locality. Ex. Chuck Trantham collection, acquired by Chuck in 1992.
CT505 - Hemimorphite $ 225 79 Mine, Gila Co., Arizona, USA small cabinet - 5.3 x 4.7 x 3 cm ![]() ![]() ![]() ![]() Vug completely filled by radial masses of light blue Hemimorphite crystals. Ex. Chuck Trantham collection. Undamaged.
CT502 - Hydromagnesite $ 125 SOLD Soghan, Baft County, Kerman Province, Iran small cabinet - 5.5 x 0.9 x 0.5 cm ![]() ![]() ![]() ![]() Long, glassy Hydromagnesite crystals, divering out near the termination end. Comes with an old Al McGuinness label.
CT401 - Spinel with Pargasite $ 280 SOLD Twin Lakes Limestone deposit, Lower Twin Lake, Twin Lakes, Fresno Co., California, USA small cabinet - 5.2 x 4 x 1.3 cm ![]() ![]() ![]() ![]() Well formed, translucent octahedrons of blue Spinel to 4mm in size associated with brown Pargasite crystals. Sawcut on back. Collected by Chuck Trantham and Al McGuinness in 1986. Chuck's label indicates locality as 'Locality 2, Twin Lakes area, Fresno Co., California, USA'.
CT510 - Heulandite on Quartz $ 220 Prospect Park, New Jersey, USA miniature - 4 x 2.8 x 2.5 cm ![]() ![]() ![]() ![]() Large, fine quality Heulandite crystal atop drusy Quartz crystals. Ex. Chuck Trantham collection. Old label indicates it was purchased by Chuck from Frazier's minerals in 1991 and was formerly in the collection of Paul Patchick (#1102). Complete and undamaged.
CT545 - Bornite $ 300 SOLD Butte, Silver Bow Co., Montana, USA miniature - 3.7 x 2.5 x 1.5 cm ![]() ![]() ![]() Large single Bornite crystal with attached Pyrite crystals. Ex. Chuck Trantham collection, acquired by Chuck in June 1976.
CT534 - Chalcophanite $ 250 SOLD Sterling Hill, Sussex Co., New Jersey, USA small cabinet - 6.3 x 5.5 x 4 cm ![]() ![]() ![]() ![]() Specimen of Chalcophanite, a rare zinc iron manganese oxide mineral, from Sterling Hill. The specimen is solid Chalcophanite with vugs lined or filled with stalactitic-like formations of Chacophanite. Ex. Chuck Trantham collection and comes with old Frank Edwards and Trinity Minerals labels. ©2010-2018 Marin Mineral |