A perfect, sharp and transparent elongated cube of pale blue to colorless Fluorite. This is heavily encrusted with Dolomite and micro Fluorites, so much of the Fluorite is hidden. A classic New York USA locality this is a cute thumbnail that looks better in person and shows the Walworth matrix "wrapping" very well.
One of the mineral world's great classic pseudomorphs are the Hexagonal Pyromorphite crystals from Kautenbach that are replaced by Galena. These are all very old, vintage specimen most having been collected more than 150 years ago. These are also usually quite expensive and not many are seen in thumbnail size. This is a much more affordable specimen than any we have ever seen offered. We must note this is small and not super perfect, there are some edge chips and rough spots but it does show the desirable form and habit of this venerable mine. A good opportunity to have a fair example of this classic for an unusually good price.
Wulfenite - USA Classic
Red Cloud Mine, Silver District, Trigo Mts, La Paz County
1.7 x 1.7 x .6 CM (thumbnail)
Brilliant red single Wulfenite crystal perched on a small bit of matrix. In excellent condition, no chips or damage, the color and luster are both top. Classic specimen from the last mining of this iconic locality, just a nice, clean thumbnail that shows why this mine became a legend in the mineral world.
Fluorite on Celestite
White Rock Quarry, Clay Center, Ottawa County
3 x 2.4 x 1.4 CM (thumbnail)
Killer thumbnail (or toenail) of of a single sharp zoned Fluorite esthetically perched on a Celestite crystal. Classic association from the Clay center area (Ohio, USA), this one from the famed White Rock Quarry. Very sharp edged and with no damage, what may look like damage in the photos is mostly internal inclusions. The Fluorite crystal is a flattened cube and also fluorescent. The zoning is subtle in person, best seen when viewed straight on, but it is well-developed and the faces are very glassy in person.
A flat, transparent Sphalerite crystal with cognac color from the ZCA Mine in St Lawrence County, New York (USA). This is large, lustrous and very well-defined for this famed locality. The edges are very slightly rough as is typical of all larger crystals from here, but overall this is exceptional with a gemmy interior. This looks at first glance to be untwinned, but under magnification there is a small notch that may indicate a twin plane. Either way the crystal is much more impressive in person, the termination is complete though a bit crude on one edge and with backlighting it glows very nicely.
A somewhat sharp complete single cube of the rare earth specie Lueshite from the type locality. This Sodium-Niobium mineral is not often available, the metallic black to silvery color is typical of crystals from here, and the size is above average. This crystal has rough spots on some edges as seen but is overall in good shape, a nice crystal of this rare specie.
Roselite on Calcite
Aghbar Mine, Aghbar, Agdz Cercle, Zagora Province
3.3 x 1.8 x 1.2 CM (thumbnail)
A well crystalized thumbnail sized Roselite with fine color and gemmy crystals. In very good condition as seen, from the great finds at Aghbar Mine which produced some of the very best Cobalt minerals of all time.
Sanda Hills, Mindouli, Mindouli District
Republic of Congo (Brazzaville)
2.4 x 1.4 x .9 CM (thumbnail)
A very bright "treelike" Dioptase thumbnail in fine condition. From the recent finds in former Brazzaville (Republic of Congo) which had produced some excellent specimens, some of which, like this one, have unusual yet eye-catching esthetics. In excellent condition, the tiny spray of Dioptase crystals on the display side are all well-terminated and undamaged. The backside has some contacts but still no damage.