![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
  | |
![]() |
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.
M662 - Enstatite $ 75 Kilosa, Morogoro, Tanzania thumbnail - 1.4 x 1.4 x 1 cm ![]() ![]() ![]() ![]() Terminated single Enstatite crystal with medium rootbeer brown color and typical light etching. Gem quality Enstatite is uncommon.
M663 - Enstatite $ 70 Kilosa, Morogoro, Tanzania thumbnail - 1.8 x 1.4 x 1 cm ![]() ![]() ![]() Terminated single Enstatite crystal with medium rootbeer brown color and typical light etching. Gem quality Enstatite is uncommon.
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.
M742 - Sphalerite Mid Continent Mine, Treece, Kansas, USA cabinet - 10 x 9 x 7 cm ![]() ![]() ![]() ![]() ![]() Large stalactite formation of solid Sphalerite crystals. Large, heavy specimen well crystallized all around. The bottom center has a small opening ringed by Pyrite.
M753 - Calcite on Fluorite $ 250 Cave-inRock, Hardin Co., Illinois, USA cabinet - 13.5 x 6 x 5.5 cm ![]() ![]() ![]() ![]() Cubic purple Fluorite over yellow Fluorite with crystals to 3cm. There are a couple small dings but overall in great condition. Backside covered by 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.
M771 - Topaz Ouro Preto, Minas Gerais, Brazil thumbnail - 1.3 x 0.5 x 0.3 cm ![]() ![]() ![]() Ten crystals of Imperial Topaz. Though small, they are high quality transparent crystals. All are terminated and undamaged or relatively undamaged.
M510 - Andradite var. Melanite San Benito Co., California, USA large cabinet - 18 x 9 x 8 cm ![]() ![]() ![]() ![]() ![]() Large specimen with good coverage of Melanite crystals from an outcrop located near the Benitoite gem mine. Crystals on the front face reach 3mm and there are larger crystals to 6mm on the back side.
J984 - Arsenopyrite Peru small cabinet - 8 x 6.5 x 5 cm ![]() ![]() ![]() Cluster of large Arsenopyrite crystals on solid Arsonopyrite. Crystals reach 2.5cm in size. Out of an old collection with no further locality info available.
©2010-2018 Marin Mineral |