![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
  | |
![]() |
M702 - Tsavorite $ 325 Merelani Hills, Arusha, Tanzania thumbnail - 1.9 x 1.7 x 1.6 cm ![]() ![]() ![]() ![]() Large single Tsavorite crystal with good color. Nearly a floater with a couple indentations, contacts with lustrous glassy faces. It's not perfect, but for the size and color it's a good value.
M703 - Tsavorite with Diopside $ 325 Merelani Hills, Arusha, Tanzania thumbnail - 2 x 2 x 1.4 cm ![]() ![]() ![]() ![]() Large single Tsavorite crystal with good color. The main crystal is 2.5cm wide and displays great from the front with small Diopside crystals below. The backside (3rd photo) shows a dimpled surface from growth against Graphite crystals.
K927 - Azurite $ 125 Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 2.3 x 1.5 x 0.9 cm ![]() ![]() ![]() Undamaged single crystal of Azurite that exhibits areas of bright 'electric' blue color. A floater, complete all around crystal from the watercourse pocket.
M559 - Galena Sweetwater Mine, Reynolds Co., Missouri, USA thumbnail - 2.5 x 2.5 x 2 cm ![]() ![]() ![]() ![]() ![]() Though 'just' a Galena, it's a very good thumbnail specimen featuring a mirror lustrous 1.5cm Galena cube set in Galena and Pyrite. Undamaged and displays well.
M462 - Pyrite after Pyrhottite $ 150 Zacatecas, Mexico miniature - 4.7 x 3.5 x 2.5 cm ![]() ![]() ![]() ![]() Thin blades of Pyrite that have pseudomorphed after Pyrhottite crystals. Bright and lustrous with a few small Quartz crystals associated.
M731 - Prehnite, Stilbite on Laumontite after Anhydrite $ 150 Prospect Park, New Jersey, USA miniature - 4.8 x 4 x 3.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Green Prehnite and tan Stilbite crystals on a cluster of Laumontite after Anhydrite crystals. Small Calcite crystals are also present. Well crystallized all around.
M688 - Copper $ 150 Quincy Mine, Houghton Co., Michigan, USA miniature - 3.3 x 2.5 x 1.8 cm ![]() ![]() ![]() ![]() ![]() Well formed, quality Copper crystals with a rich patina. Crystals on the right 'arm' are particularly sharp.
K913 - Azurite $ 120 Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 1.8 x 1.8 x 1.1 cm ![]() ![]() ![]() Undamaged single crystal of Azurite that exhibits areas of bright 'electric' blue color. A floater, complete all around crystal from the watercourse pocket. Undamaged and perfect.
M765 - Pyrite, quartz on Sphalerite $ 450 Huaron, Peru cabinet - 10 x 10 x 6 cm ![]() ![]() ![]() ![]() ![]() ![]() Clusters of Pyrite cubes and Quartz crystals atop a matrix of solid crystalline Sphalerite. Aesthetic large specimen from the Tom Ellis collection.
M767 - Halloysite in Quartz $ 650 Cabiche, Boyacá Department, Colombia cabinet - 11.5 x 10 x 6.5 cm ![]() ![]() ![]() ![]() ![]() Cluster of diverging Quartz crystals. The yellow tips are caused by inclusions of Halloysite.
M768 - Brazilianite with Quartz $ 600 Corrego Frio, Minas Gerais, Brazil small cabinet - 7 x 6 x 4 cm ![]() ![]() ![]() ![]() Large single crystal from the original finds in Brazil with attached Quartz crystals. Large, glassy faces on the front with mostly cleavages and contacts on the backside.
M785 - Arsenopyrite with Calcite, Muscovite $ 350 Yaogangxian Mine, Hunan, China miniature - 3.5 x 2.7 x 1.8 cm ![]() ![]() ![]() ![]() ![]() ![]() Fine quality single Arsenopyrite crystal with another smaller crystal sticking out the front face. Well terminated bright crystals with the backside covered by wafer-like Calcite crystals.
M784 - Acanthite $ 200 Imiter Mine, Ouarzazate Prov., Morocco miniature - 3.8 x 3 x 1.5 cm ![]() ![]() ![]() ![]() Serpent-like cluster of interconnected octahedral Acanthite crystals. Complete all around and undamaged.
M483 - Copper $ 450 Ajo, Pima Co., Arizona, USA cabinet - 13 x 8 x 3.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Large, heavy mass of Copper crystals. Individual crystals reach 1.5cm in size.
M761 - Prehnite after Anhydrite $ 240 Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA small cabinet - 6 x 6 x 2.5 cm ![]() ![]() ![]() ![]() Translucent apple green Prehnite cast that formed over a flat, tabular Anhydrite that then dissolved away leaving this hollow cast. Botryoidal, translucent Prehnite forms over the front and back with the shape of the former Anhyrite easily seen when looking up from the opening in the bottom. A wonderful example from long ago, and not as jumbled as some larger pieces are - this is a nice distinct cast of a single large crystal.
©2010-2018 Marin Mineral |