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DENV08-49 - Topaz over Danburite ps. after Topaz - $ 2000 Mogok, Burma small cabinet, 8.4 x 2.8 x 2.2 cm ex. William Larson
A bizarre specimen! The piece consists of an original crystal of topaz that was replaced by danburite (as confirmed by XRD analysis at Cal Tech), followed by a SECOND deposition of topaz, that then overcoated the old topaz crystal now replaced by danburite. Thus the phantom within is actually not topaz any longer despite first glance thoughts. I should say this was mined pre-embargo and has long been in the noted Mogok suite of gem and mineral dealer Bill Larson, who more or less opened up this region for minerals in the last decades. Recently exchanged to me.
GEMS-123 - Danburite - $ 450 Mexico thumbnail, 17.8 x 11.9 mm ; 9.66 carats
Danburite is one of those gems that aren’t often seen in today's market. It is a hard and durable stone which makes it great for jewelry. It is not an extremely rare gem, but there is truly only locality that produces good quality stones in larger sizes. This particular gem is a large, bright, attractive Pear cut stone. You don't see many 9+ (!) carat Danburites around, so don't miss out on this one. Stones like this are well above "collector quality", this is a very good gem.
HECK-031 - Danburite with Calcite - $ 1500 SOLD Charcas, San Luis Potosi, Mexico miniature, 4.8 x 3.6 x 2.4 cm ex. Richard Heck
A glassy and gemmy, pink danburite crystal, measuring 4.8 cm in length, is surrounded by a halo of lustrous and translucent, faintly yellow calcite crystals to 1 cm. The danburite, which is limpid and super gemmy at the termination, exhibits a rich pink color (quite rare from Charcas). THIS IS A SUPERB miniature of way higher than normal quality, and just has a "sparkle" to it that so few possess. It seems a premium price for a "single danburite" and it is, indeed, a relatively high price for a smaller danburite specimen. But it is worth it, in my book
HECK-034 - Danburite - $ 1250 Charcas, San Luis Potosi, Mexico small cabinet, 8.9 x 5.9 x 5.9 cm ex. Richard Heck
Rising up from its sugary, calcite matrix, are two magnificent, glassy and gemmy, crystals of danburite to 8.5 cm in length. Although the crystals are colorless, they do exhibit the faintest hint of pink in fluorescent lighting. The danburites from Charcas are arguably the world's best of species for quality and gemminess both. The crystals are pristine save for a narrow conchoidal fracture on the back side of the termination, on the smaller crystal. The slightly irregular termination atop the larger crystal looks jagged at first glance but quite clearly in person is not damage, but rather some interesting little growth patterns on that edge of the termination. this would be from find sof the early 1980s. It is a superb, 3-dimensional specimen that has a lot more "bling" than most of these. If not for the damage at the back of the lesser termination, it would cost far more (like quadruple the price). Even so, it displays well from front and is a beautiful piece in the case, of a quality so hard to obtain for this species. Today's modern finds of the material here simply do not have the glassiness and lustre.
HECK-047 - Danburite with Calcite and Gypsum - $ 500 Charcas, San Luis Potosi, Mexico small cabinet, 9.4 x 5.4 x 4.8 cm ex. Richard Heck
A large , lustrous and translucent, light pink, 9 cm-long danburite crystal is nearly covered by scalenohedrons of lustrous and translucent, yyellow-amber-colored calcite crystals to 2.6 cm in length. There are even a few crystals of glassy and gemmy gypsum to 1.5 cm across. The calcite crystals fluoresce a rich orangey purple color. Overall, a very unusual and dramatic combination piece!
HECK-063 - Danburite with Citrine Quartz - $ 900 SOLD Charcas, San Luis Potosi, Mexico cabinet, 10.9 x 5.8 x 4.5 cm ex. Richard Heck
A cluster of lustrous and slightly translucent, milky-white crystals of danburite to 9.5 cm in length are surmounted by several short, prismatic, glassy and gemmy, amber-colored crystals of citrine measuring 1.4 cm in length. This is definitely an unusual , compelling combination. Such intensely colored sitrine is rare in nature form any locale, and is selcom seen associated with the danburite here. It is a very aesthetic contrast
HECK-078 - Danburite - $ 750 Charcas, San Luis Potosi, Mexico small cabinet, 8.4 x 6.8 x 6.4 cm ex. Richard Heck
A cluster of glassy and translucent, rich tan-colored danburite crystals, to 5 cm in length. The color is a bit unusual. They are aesthetically perched on a sliver of limonite matrix. Frankly, I can't rememember seeing another cluster with this rich tan color.The 3-dimensional splay of the crystals makes this piece very impactful, and a bit different than others
HECK-085 - Danburite with Calcite - $ 250 Charcas, San Luis Potosi, Mexico small cabinet, 9.4 x 6.5 x 5.7 cm ex. Richard Heck
Two danburite crystals, to 8 cm in length, are the host for two, doubly-terminated, lustrous and translucent calcite crystals to 5 cm in length. The larger danburite crystal is glassy , with a super gemmy brightness and luster to it! The calcites present from the front, complete, though they have some portions missing or contacted on the backside. An excellent, rare combination piece.
HECK-101 - Quartz ps. After Danburite with Quartz - $ 900 Charcas, San Luis Potosi, Mexico large cabinet, 15.4 x 10.9 x 9.6 cm ex. Richard Heck
A dramatic large specimen with two huge, fat danburite crystal that have been at least partially replaced by quartz at their outer layers. A second generation of larger glassy and translucent, colorless quartz crystals to 5 cm across, is stacked atop the surface of the first layer of quartz. The largest of the quartz crystals is also doubly terminated and all are bright and sparkly. Overall, a very unusual cabinet specimen
HECK-107 - Celestine on Danburite - $ 200 SOLD Charcas, San Luis Potosi, Mexico cabinet, 10.8 x 7.1 x 5.7 cm ex. Richard Heck
Crystals of tabular, lustrous and translucent, light grayish-blue, celestine, to 2 cm across, have encrusted several 5 cm crystals of danburite. Unusual combination and a superb celestine for this locale. Faintly more blue in person, than the photos appear.
HECK-108 - Quartz encrusting Danburite with Calcite - $ 750 Charcas, San Luis Potosi, Mexico small cabinet, 9.2 x 8.8 x 8.5 cm ex. Richard Heck
Two, very large crystals in parallel growth of danburite, to 10 cm in length, have been thickly encrusted by sparkling drusy quartz. The front side, which is a white quartz druse, is different from the back side which has a sparkling, colorless druse of calcite. Overall a very geometric and unusual specimen.
MD-132011 - Danburite - - Archived Alto Chapare District, Chapare Province, Cochabamba Department, Bolivia miniature, 3.4 x 2.3 x 1.6 cm.
3.4 x 2.3 x 1.6 cm. One of the new finds from last Summer’s collecting in Bolivia. While these specimens are not a new find per se, they are new specimens from a well known locality. This specimen is a very good quality display piece. It features a rather large (for this locality) sharp, doubly-terminated, highly lustrous, well formed, prismatic, gray-blue color crystal of Danburite. An interesting historical note about this locality: Supposedly the mineral was first discovered in the tomb of a "cacique" (a native Indian chief) where they had been placed jewels to signify that he was rich. The find of these crystals was made near there.
MD-150450 - Danburite, Pyrite - - Archived Charcas, Mun. de Charcas, San Luis PotosÃ, Mexico miniature, 3.3 x 2.1 x 1.9 cm.
3.3 x 2.1 x 1.9 cm. A REALLY CUTE and NIFTY GEM danburite crystal from Charcas, Mexico. Two pyrite crystals are perfectly aligned within the complex termination of this water-clear, colorless danburite. You see the two pyrites in the front of the crystal, but you see Five on the back, due to the multiple crystal faces! This is a nifty crystal with character!
MD-152215 - Danburite - - Archived Alto Chapare District, Chapare Province, Cochabamba Department, Bolivia small cabinet, 5.5 x 5.3 x 4.7 cm.
5.5 x 5.3 x 4.7 cm. One of the new finds from the summer collecting in Bolivia. While these specimens are not a new find per se, they are new specimens from a well known locality. This specimen features a nice, sharp, highly lustrous, well formed, prismatic, gray crystal of Danburite measuring 1.9 cm and sitting atop white Talc matrix. It is not common to find the Danburite crystals from this locality on matrix. An interesting historical note about this locality: Supposedly the mineral was first discovered in the tomb of a cacique (a native Indian chief) where they had been placed jewels to signify that he was rich. The find of these crystals was made near there. Ex. Brian Kosnar.
MD-157658 - Danburite - - Archived Alto Chapare District, Chapare Province, Cochabamba Department, Bolivia thumbnail, 2.2 x 1.4 x 1.1 cm.
2.2 x 1.4 x 1.1 cm. One of the new finds from last Summer's collecting in Bolivia. While these specimens are not a new find per se, they are new specimens from a well known locality. It is a rather large (for this locality) sharp, doubly-terminated, highly lustrous, well formed, prismatic, gray color crystal of Danburite. An interesting historical note about this locality: Supposedly the mineral was first discovered in the tomb of a "cacique" (a native Indian chief) where they had been placed jewels to signify that he was rich. The find of these crystals was made near there. Ex. Brian Kosnar.
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