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Mineral Specimens with Quartz
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21.0 x 13.7 x 12.6 cm. This is a huge matrix specimen of rich blue fluorites to 2 cm, perched on 3-dimensional massive quartz matrix. It was collected by claim owner Ray DeMark about 2 years ago, and from a special pocket of these rare, intense blue crystals you do not often see from this location. As a novelty, a nice sharp galena sits in the middle. Galena from here usually decays or alters to gray anglesite, and to find a sharp lustrous one, perched on the fluorite, is quite uncommon.
7.4 x 5.8 x 2.8 cm. An unusual contemporary specimen from the Mel Bersh claims in Colorado - crystals of light purple amethyst have formed on a layered crust of green fluorite! Ex. Clyde Hardin Collection.
8.0 x 2.5 x 2.4 cm. These inclusions of octahedra of purple fluorite inside prisms of quartz were "the" hit of one of the big shows a few years back, when they arrived from Madagascar with a French dealer. They are truly a striking and not at all subtle example of this phenomenon. The purple fluorites grew on the surface of the quartz crystal during its growth, and then growth continued, engulfing them inside the quartz.
17.2 x 12.9 x 11.2 cm. From China or anywhere, this is just a spectacular quartz specimen. These slender crystals are anchored by a doubly-terminated crystal that measures over 17 cm tip to tip. You can see black bituminous inclusions that characterize these Cong Li specimens. Incredibly sculptural and dramatic.
5.8 x 2.8 x 2.3 cm. The Fengjiashan Mine produces an incredible variety of specimens, including some really unusual associations. Here, you have transparent, poker-chip apophyllites framing a slightly amethystine prism of quartz.
2.5 x 1.4 x 0.8 cm. Not the usual cluster, but just a single, exquisitely gemmy crystal - amazing color and clarity. Ex. Jaime Bird Collection.
8.8 x 2.5 x 1.8 cm. An extraordinary American pseudomorph specimen out of the collection of Jaime Bird - a single large, rectangular crystal of epidote that has been replaced by hematite, which in turn has been ectomorphed by a layer of spiky quartz crystals.
9.8 x 9.4 x 5.4 cm. Clusters of elongated crystals are well-known from Guerrero, but here is something a lot more uncommon - a complete, 3-dimensional knob of "points", with a purple blush inside each one, and fine glassy luster. This type of knob is well-known from Artigas (totally different color), but not so much from Mexico. An older piece out of the Feist collection.
9.2 x 8.4 x 3.8 cm. It is very unusual to see English agate; this is a geode, with a small crystal-lined hollow at its center, richly colored by hematite that gives it its rusty hues.
6.5 x 3.5 x 1.8 cm. A cluster of intergrown tourmaline and quartz crystals from the Pederneira, quite colorful and lustrous and wonderfully aesthetic in overall form. The large pink-topped crystal has a healed termination; the green-capped ones are all terminated. If you look closely, you can see that one of the quartz crystals has a cluster of small tourmalines included inside it! These little green tourmalines grew straight off the side of the larger pink one, and then the quartz crystal growing from a different direction engulfed them when it reached them. A very pretty and delicate Pederneira piece.
A very aesthetic and symmetrical amazonite and smoky with excellent color. 5.2 x 3.3 x 2.1 cm
A gorgeous, gemmy and lustrous bi-colored, cranberry cored with dark green tourmaline crystal on a colorless quartz crystal from a classic Brazilian locality. We think there is one clean repair of the tourmaline, where it is attached to the quartz crystal and an embedded stalk of the tourmaline itself. Old material, and very showy! 4.1 x 4.0 x 3.8 cm
A superb, transparent and very glassy Swiss smoky quartz crystal with a beautiful “garden effect”, when you look into the crystal. The complex termination adds to the beauty of this specimen. Unfortunately, we have no further locality information on this lovely piece. Very trivial dings to an edge termination on the back side of the crystal and totally out of sight. 5.4 x 3.0 x 2.8 cm
18.5 x 17.3 x 13.5 cm. This specimen is the more typical style for Le Chang, with some of the hematite coloring the quartz through minute inclusions. All the major crystals here are terminated to, in the case of the large one, contacted atop but cleanly so. The hematite is also in good condition. The only damage is peripheral. This is an unusually large cluster, with several unusually dramatic and long quartz crystals to 4 inches in size.
8.6 x 7.0 x 4.2 cm. A beautiful 2-inch "bowtie" of inesite is nicely centered on matrix and accented by a quartz that spears through it. This is of a very high quality for the find both in terms of the size of the inesite cluster itself and the aesthetics. Also, the color is very good. In time we will look back and see that this find was very significant - inesite in crystal form, freestanding like this, is very rare in the world and such specimens haven't been found but a few times at now-defunct mines. Ex. Dr. Steve Smale, Irv Brown, and Jim and Gail Spann Collections.
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Rob Lavinsky, rob@irocks.com
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