Pyrite (striated cubes)
stock #7- AC 180
Huanzala Mine, Huallanca district
Dos de Mayo Province, Huanuco Department,
11.8 x 9.2 CM (cabinet)
An fine, unusual and well balanced older piece from what has become a very famous mine for great pyrites. This form is not like the material that Huanzala has produced for the past decade, this has sharp slightly modified cubes showing pronounced striations. There are many great forms that Huanzala has produced and some fine suites have been developed to showcase them. This would be a fine addition to such a suite, or for any collection of good esthetic minerals. The cubes are sizable, the largest 6.5 CM. Minimal damage, the main crystals are very clean, there is some chipping and periferal damage on the rear and lower areas, despite that it is still very esthetic and presentable.
A HUGE and impressive monster that is doubly terminated, top gem grade yellow triphane. Sharp, glassy lustre and damage free with only some tiny bits of matrix adhearing to the main prism which is over a foot long!. One end has the classic hackly / fibrous termination while the other shows a staggered pair of prismatic tips with some fine growth hillocks. This crystal like all fine gem spodumene is highly dichroic and shows an excellent orange -pink transition on the C axis. The piece has been in a private collection for several years and the color (unlike many) is quite stable. Good triphane has never been plentiful. This one seems to have been from the major find of 99-2000 and I have not seen much new material available over the past few years, and none as large and fine as this. I consider this a very fine display piece that is both reasonably priced and will likely have outstanding investment value
Graves Mt., Lincoln Co.
6.8 x 5.4 s 5.0 CM (cabinet)
A big, doubly terminated crystal from Americas great Rutile locale, Graves Mt. This shows two distinctly different termination forms and has good luster. There are substantial contacts on the piece some with minor muscovite ( a common occurence here) in the faces, but the large size and unusual form are what makes this piece a good one.
stock #7 AZ-117
Copper Queen Mine , Cochise county, Bisbee
10x10x 4.8 CM (cabinet)
A superb, classic locality piece with fantastic esthetics and rich color. This is essentially all Azurite with a tiny bit of malachite on the reverse side, and numerous micro crystals several of the classic species the locality is famous for. This specimen is composed of well crystallized Azurite in several habits up to 1 CM in size. This stands without aid and is very 3 dimensional. The condition is exceptional as this example is clearly very old, likely from the heyday of the mine in the later 1800's. Rare to find in this condition and quality !
A pinkish matrix of crystalized Microcline is host to many yellow- green crystals of Fluorapatite many of which are doubly terminated. These crystals are a little greener than the classic Mexican Mercado examples and with a very different matrix. This is not a common locality. There are some broken crystals evident.
Franckeite (var Potosiite)
San Jose Mine, Oruro
7.5x4.6 CM (small cabinet/ large miniature)
Potosiite is the rare Tin poor variety of the rare mineral Franckeite, and was a separate species until it was discredited in 1997. It is still a very rare Sulfide with crystals larger than micros considered huge. From a small find of the worlds largest and best crystals at the San Jose mine, this is a top example with individual crystals to 1.3 cm. For this rare and ugly mineral this is a true killer and even esthetic! This was rated as one of the best 7 pieces found.
From another classic locale this older miniature has well formed orthohombic crystals in an esthetic and oriented arrangement. These mines are long closed and have produced some of the best Sulpher ever found. This is a good example of the crystal form that made this location famous and is affordable compared to most.
Yaogangxian Mine, Yizhang County
3.5x3 CM (small miniature)
Very bright, metalic and with fine luster, this bournonite miniature shows excellent form with a pleasing contast to the matrix. Much better than usual condition for this delicate, brittle mineral, however there is some chipping and contacting like all of these have. The main crystal shows a fantastic cogswheel form. Since well crystalized Bournonite is very uncommon, the better Chinese examples are already becoming classics. For now, this is a bargain!