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C530 - Hematite $ 2800 Minas Gerais, Brazil cabinet - 10 x 7.5 x 7 cm ![]() ![]() ![]() ![]() ![]() ![]() Large, chunky Hematite crystal with an uncommon psuedocubic form. Great luster with parallel surface striations. This is an old specimen from a collection dating back to the 60s and 70s. It came without precise locality information, but I suspect it is from the Casa de Pedra mine in Congonhas, Minas Gerais. It's complete all around with some indentations from other crystals on top near the back, but remarkably pristine with only a couple small nicks. Even the bottom is rehealed. Weighs 2 pounds and 14 ounces!
C531 - Grossular $ 490 Handan Pref., Hebei Prov., China small cabinet - 7.5 x 6.0 x 5.5 cm ![]() ![]() ![]() ![]() This is a large cluster of nothing but Grossular garnet crystals. The crystals are an amber/yellow color and transluscent to transparent. Average crystal size is about 5mm with some crystals approaching 1cm. A good sized cluster for the find. There are a few contacts but the majority is clean undamaged crystals. .
C533 - Stilbite $ 250 New South Wales, Australia cabinet - 9.5 x 8 x 4.5 cm ![]() ![]() ![]() Isolated orange Stilbite crystals on a crystal coated matrix. Out of an old collection with specimen number affixed to the bottom.
C534 - Fluorite $ 850 Boltsburn Mine, Weardale, Durham, England small cabinet - 6.5 x 6 x 5.5 cm ![]() ![]() ![]() ![]() Two interpenetrating transparent Fluorite cubes with rich purple color. In great condition with good luster. Main crystal is 6.2cm on the diagonal.
C539 - Barite $ 350 Les Malines, Saint-Laurent-le-Minier, Gard, Occitanie, France cabinet - 12.5 x 7 x 6 cm ![]() ![]() ![]() ![]() Snow-white Barite blades, with some amber colored, over a matrix coated by drusy Sphalerite.This is out of an old collection built in the 60s and 70s and no further locality information was available. Clean and undamaged, good from both sides.
C541 - Galena $ 400 Sweetwater Mine, Reynolds Co., Missouri cabinet - 10 x 9 x 7 cm ![]() ![]() ![]() ![]() Large cubes of lustrous Galena crystals, to 5.2cm on the diagonal, on matrix associated with Chalcopyrite and Calcite crystals. Such specimens with good large crystals on matrix are no longer common.
C547 - Pyrite after ? $ 240 Trepča Mine, Kosovska Mitrovica, Kosovo small cabinet - 7.5 x 5 x 4.5 cm ![]() ![]() ![]() Elongated Pyrite groups that have replaced a previous mineral, possibly Calcite, on a matrix covered by Sphalerite. The base of one of the Pyrite crystal groups is visible and whatever was there before is all gone now - nothing but solid Pyrite. Bright, shiny luster and undamaged.
C551 - Ferberite with Quartz $ 325 Yaogangxian Mine, Hunan, China small cabinet - 8 x 7 x 4 cm ![]() ![]() ![]() ![]() Well formed large Ferberite crystals associated wtih transparent Quartz crystals. There are also small purple Fluorite crystals, Muscovite, and Arsenopyrite present.
C552 - Quartz on Calcite (R) $ 175 Herkimer, New York, USA small cabinet - 5.5 x 3.5 x 3.5 cm ![]() ![]() ![]() ![]() Outstanding 3.6cm 'Herkimer Diamond' Quartz crystal on Calcite. Quartz on Calcite are uncommon for the locality, unfortunatley this one came off the Calcite and has been reattached. The Quartz crystal is very transparent and bright, high quality (way better than photos). There is a smaller Quartz attached to the Calcite crystal too.
C553 - Turgite $ 300 Santa Eulalia, Chihuahua, Mexico cabinet - 12 x 10 x 5 cm ![]() ![]() ![]() Cluster of Highly irridescent specimen of Turgite. Turgite is a mixture of Hematite and Goethite and was originally described from the Turginsk Mine in Russia. Very colorful specimen with blues, greens, yellows and reds. Out of an old collection dating back to the 60s and 70s.
C557 - Spinel Big Maria mountains, Riverside County, California, USA cabinet - 13 x 10 x 8 cm ![]() ![]() ![]() ![]() Large 3cm black Spinel crystal on matrix with other smaller Spinel crystals. This is an old specimen from a collection from the 1960s and 70s, and unfortunately there was no locality information available. I believe it to be from an old, lost locality in Riverside Co. It occurs with Chlorite and appears to have been partially etched from carbonate rock. It rates as a significant California Spinel. Undamaged.
C560 - Covellite $ 3800 Annie Vein, Summitville, Colorado, USA small cabinet - 7.5 x 7 x 6 cm ![]() ![]() ![]() Irridescent blades of Covellite crystals in a few different areas on matrix. Ex. J.H. Marshall Jr. and Geary Murdock collections and comes with three old labels. One label indicates 'exceptionally well crystallized Covellite. One of the finest specimens I have ever seen from this locality'.
C564 - Fluorite with Quartz $ 1200 Yaogangxian Mine, Hunan, China small cabinet - 6.2 x 6 x 4 cm ![]() ![]() ![]() ![]() Color-zoned purple/blue Fluorite cube with 5 terminated Quartz crystals grown along the sides.Two small trivial nicks otherwise pristine. Wonderful transparency and aesthetics.
C567 - Calcite on Copper Keweenaw Peninsula, Michigan, USA miniature - 5 x 4 x 3 cm ![]() ![]() ![]() Small Calcite crystals atop crystalline Copper with good patina. Calcite and green Epidote on the backside.
C569 - Prehnite $ 150 Merelani Hills, Arusha, Tanzania miniature - 4 x 2.5 x 2 cm ![]() ![]() ![]() Cluster of translucent yellow Prehnite crystals. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over, nothing but great crystals sticking out in various directions. A good one for the find.
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