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CT256 - Benitoite with Joaquinite, Neptunite $ 220 Gem Mine, San Benito Co., California, USA small cabinet - 6 x 3.3 x 2 cm ![]() ![]() ![]() Highly etched but glassy, tabular Benitoite crystals to 1cm with black Neptunite crystals, small brown Joaquinite crystals on white Natrolite over schist. Classic combination specimen for the locality. Comes with old Chuck Trantham and California Mineral Connection labels.
CT260 - Benitoite $ 450 Gem Mine, San Benito Co., California, USA thumbnail - 2.5 x 1.5 x 1.2 cm ![]() ![]() ![]() Cluster of 7 good sized, blue Benitoite crystals on white Natrolite. Largest Benitoite is 1.2cm. Some crystals are contacted along the edges where they grew against schist, but they have good color and are undamaged. Old specimen.
CT120 - Neptunite with Joaquinite $ 90 Gem Mine, San Benito Co., California, USA thumbnail - 3 x 2.2 x 1.5 cm ![]() ![]() ![]() Five chunky, well terminated Neptunite crystals on schist matrix. Largest crysal is 1.4cm. Also present are small brown crystals of the rare mineral Joaquinite.
CT338 - Rutile $ 400 Champion Mine, White Mountains, Mono Co., California, USA miniature - 4.5 x 4.5 x 2.5 cm ![]() ![]() ![]() ![]() Mirror-lustrous Rutile crystals to 1.2cm that contrast well against a matrix of white Pyrophyllite. Ex. Chuck Trantham personal collection, collected by Chuck at the mine in September 1983. This was considered special enough to Chuck to be illustrated in his Mineral Collections of California supplement to the Minerlogical Record magazine. Sawcut on base.
CT343 - Malachite after Azurite $ 150 Touissit, Morocco thumbnail - 2.5 x 2.2 x 1.2 cm ![]() ![]() ![]() Cluster of sharply formed Azurite crystals that have been partially replaced by velvety green Malachite. Aethetic form and high quality old specimen.
CT263 - Cerussite $ 125 Tsumeb, Namibia thumbnail - 2.4 x 1.5 x 1.3 cm ![]() ![]() ![]() ![]() Three 'snowflake' crystals of Cerussite uprite and side-by-side on a thin piece of Mottramite covered matrix.
CT265 - Chrome Dravite $ 600 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 1.8 x 1 x 0.7 cm ![]() ![]() ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. This was one of the finest thumbnails I obtained from a large parcel back in 2016, which I sold and recently reacquired in trade, offered now at the same old price. Undamaged. From a spectacular pocket opened in 2016. Weighs 2.4 grams.
CT286 - Bornite wtih Quartz $ 300 Dzhezkazgan, Kazakhstan miniature - 3.5 x 2.5 x 2.5 cm ![]() ![]() ![]() ![]() Large, slightly irridescent Bornite crystals to 2cm on a matrix of Quartz crystals. Bornite crystals are rare, these are just released from an old collection.
CT156 - Boleite on Anglesite $ 175 Amelia Mine, Santa Rosalia, Baja Sur, Mexico thumbnail - 1.5 x 1.5 x 1 cm ![]() ![]() ![]() Numerous small cubes of the rare mineral Boleite in two areas, perched on the tips of a cluster of white Anglesite crystals.
CT119 - Zincolivenite (Cuprian Adamite) $ 275 Tsumeb, Namibia thumbnail - 2.3 x 1.5 x 1 cm ![]() ![]() ![]() ![]() A 1.3cm wide 'pinwheel' group of Zincolivenite crystals on matrix (formerly known as Cuprian Adamite). Undamaged group of crystals with isolated individual crystals and another lighter green mineral on the matrix.
CT270 - Chrysocolla after Malachite after Azurite with Wulfenite $ 600 Whim Creek, Western Australia, Australia small cabinet - 7 x 5.5 x 4 cm ![]() ![]() ![]() ![]() ![]() A 3.2cm crystal of the double psuedomorph of Chrysocolla that has replaced a crystal of Malachite after Azurite. Scattered crystals of orange Wulfenite are present on the matrix.
CT303 - Anglesite $ 275 Touissit, Morocco thumbnail - 2.5 x 2.5 x 2.5 cm ![]() ![]() ![]() Well terminated, gemmy Anglesite crystal on Galena. Good yellow color.
CT312 - Goosecreekite $ 150 Nasik, Maharashtras State, India thumbnail - 3 x 2.2 x 1.7 cm ![]() ![]() ![]() ![]() Undamaged thumbnail sized cluster of the rare Zeolite Goosecreekite. Goosecreekite is far more uncommon than other Indian zeolites, and these from Nasik are the world's best. A nice example with great crystals, in the thumbnail size range.
CT348 - Siegenite $ 275 Buick Mine, Reynolds Co., Missouri, USA thumbnail - 3 x 2.5 x 1 cm ![]() ![]() ![]() Crystals of Siegenite on a sulfide rich matrix that is crystallized on both sides. Siegenite is a cobalt nickel sulfide that is one of the rarer and most sought after minerals from Missouri's Viburnum Trend.
CT126 - Wulfenite $ 450 Los Lamentos, Chihuahua, Mexico small cabinet - 8.5 x 5 x 3.5 cm ![]() ![]() ![]() Orange Wulfenite crystals on a Calcite matrix coated by tiny Descloizite crystals. Main crystal is 1.7cm wide and perfect. A couple chips on some minor crystals, but most of them are perfect. Ex. Chuck Trantham collection.
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