![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
  | |
![]() |
CT322 - Rutile $ 350 Champion Mine, Mono Co., California, USA thumbnail - 2 x 1.5 x 1.4 cm ![]() ![]() ![]() ![]() Fabulous V-twin crystal of Rutile from the Champion Mine. This is the best V-twin I can recall ever seeing from this locality. There are 6 pages of photos of Rutile fromt his locality on Mindat, and none show better twin formation than this. Complete all around with an area of contact on the back, with high luster. Ex. Chuck Trantham personal collection.
CT634 - Cassiterite $ 125 Viloco Mine, Bolivia thumbnail - 3 x 2.7 x 1.6 cm ![]() ![]() ![]() Large single Cassiterite crystal showing areas of transparency. Ex. Chuck Trantham collection.
CT645 - Fluorite $ 650 Minerva Mine, Cave-in-Rock, Hardin Co., Illinois, USA cabinet - 13.5 x 10 x 3.5 cm ![]() ![]() ![]() Large cluster of transparent to translucent Fluorite cubes from the Minerva Mine. The Fluorite is yellow with thin outer layers of purple and has both attached and included crystals of Chalcopyrite. Clean and in excellent condition with small crystals on the backside too.
D555 - Tsavorite $ 120 Merelani Hills, Arusha, Tanzania thumbnail - 1.4 x 1 x 0.7 cm ![]() ![]() ![]() ![]() Gemmy single Tsavorite (Grossular) crystal with Graphite. Excellent color and undamaged.
D580 - Tsavorite, Graphite, Calcite, Diopside, Pyrite $ 300 Merelani Hills, Arusha, Tanzania miniature - 3.5 x 3.3 x 2.4 cm ![]() ![]() ![]() ![]() ![]() Classic Merelani combination of elongated Tsavorite (Grossular) crystals, white Calcite, Diopside, Pyrite and well formed Graphite crystals. Excellent display and study piece for the locality.
D489 - Torbernite $ 120 Unknown miniature - 4.5 x 4 x 2.5 cm ![]() ![]() ![]() Platy green crystals of Torbernite on matrix. Ex. Chuck Trantham collection without any labels.
D720 - Copper $ 475 Hekla Mine, Houghton Co., Michigan, USA small cabinet - 7.5 x 6.5 x 3.6 cm ![]() ![]() ![]() ![]() ![]() Well crystallized Copper specimen with a grouping of good crystals rising up off larger, thick crystals at the base.
CT656 - Heulandite with Mordenite $ 150 Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 4.2 x 3 x 2.2 cm ![]() ![]() ![]() Bi-colored Heulandite crystal with Mordenite. A fine quality double-terminated Heulandite 2cm wide. Hard to find old specimen from Chuck Trantham personal collection.
CT658 - Heulandite with Mordenite, Calcite $ 150 Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 3.5 x 3 x 2 cm ![]() ![]() ![]() ![]() Bi-colored Heulandite crystal with Mordenite and Calcite crystals. A fine quality double-terminated Heulandite 2.2cm wide. Hard to find old specimen from Chuck Trantham personal collection.
CT650 - Liddicoatite $ 1800 Anjanabonoina, Madagascar cabinet - 12.2 x 9 x 0.4 cm ![]() ![]() ![]() Cut and polished slice of Liddicoatite (a species of Tourmaline) from old finds in Madagascar. Cut parallel to the C-axis, the slice reveals the colorful interior of what would have appeared to otherwise be a dark crystal. Triangular color zoning of greens, blues, and purple. Well polished on both sides, weighs 87.09 grams.
CT657 - Thomasite $ 120 Amudika River, near Mirny, Yakutia, Siberia, Russia thumbnail - 2.5 x 2 x 1.7 cm ![]() ![]() ![]() ![]() Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.
CT659 - Thomasite $ 120 Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 3.2 x 2.2 x 1.8 cm ![]() ![]() ![]() ![]() Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.
CT682 - Tetrahedrite $ 1200 Peru miniature - 4.5 x 3.5 x 3 cm ![]() ![]() ![]() ![]() ![]() Large single Tetrahedrite, 3.5cm with some smaller attached crystals. Excellent size and undamaged with a slight coating of Chalcopyrite in areas. Ex. Chuck Trantham collection.
CT652 - Azurite (gem) $ 2000 Milpillas Mine, Cuitaca, Sonora, Mexico miniature - 3.3 x 3 x 2.5 cm ![]() ![]() ![]() ![]() The Milpillas Mine is well know as one of the most prolific Azurite specimen mines ever, and is now closed. This specimen is one of the rarer styles from the mine - flat, tabular and transparent enough to facet into a gemstone. from what is known as the 'Gem Pocket' (or 'Jewel Pocket') from the 1100 level of the mine. The main crystal is 3cm wide but I also love the transparency of the smaller crystals jutting out from the base. Ex. Jon Sigerman.
CT664 - Smithsonite after Dolomite $ 125 Philadelpia Mine, Rush, Marion Co., Arkansas, USA miniature - 3.5 x 2.5 x 1.5 cm ![]() ![]() ![]() ![]() ![]() Bright yellow crystals of Smithsonite replacing Dolomite, with the curving form of the former Dolomite crystal clearly evident. The bright color is caused by inclusions of Greenockite. Ex. Chuck Trantham collection acquired by Chuck in 1992.
©2010-2018 Marin Mineral |