A very colorful crystal, with a very high degree of luster make this zircon exceptional. This is about as red as zircon gets from most localities. An old specimen from Francois Lietard who had the finest selection of this material. Ex Rosa Nowels collection

S24460 – Zircon

A very colorful crystal, with a very high degree of luster make this zircon exceptional. This is about as red as zircon gets from most localities. An old specimen from Francois Lietard who had the finest selection of this material. Ex Rosa Nowels collection

Brumado has produced the best specimens of green uvite, such as this especially fine cluster perched on magnesite. In remarkable and undamaged condition, including its entire front and matrix. Ex Rosa Nowels collection

S24466 – Uvite

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Brumado has produced the best specimens of green uvite, such as this especially fine cluster perched on magnesite. In remarkable and undamaged condition, including its entire front and matrix. Ex Rosa Nowels collection

This quality smoky-orange citrine is rich with color and packs a strong punch. Its clarity and steep termination is unusually nice too. Ex Rosa Nowels collection

S24468 – Quartz

This quality smoky-orange citrine is rich with color and packs a strong punch. Its clarity and steep termination is unusually nice too. Ex Rosa Nowels collection

This old chromium deposit known primarily for kammererite was discovered in 1848. The wonderful and exotic raspberry-red crystals is a super accessory to porcelain-white calcite, and only this famous mine could produce such aesthetics and rarity. This is still one of the nicest calcites from the area, very unusual.

S24470 – Calcite

This old chromium deposit known primarily for kammererite was discovered in 1848. The wonderful and exotic raspberry-red crystals is a super accessory to porcelain-white calcite, and only this famous mine could produce such aesthetics and rarity. This is still one of the nicest calcites from the area, very unusual.

Some of the most intensely colored fluorapatites come from Mogok, Burma. This single has wild electric-blue color and clarity without rounded edges. It was obtained directly from the source and exchanged with collector Rosa Nowels around 2000.

S24471 – Fluorapatite

Some of the most intensely colored fluorapatites come from Mogok, Burma. This single has wild electric-blue color and clarity without rounded edges. It was obtained directly from the source and exchanged with collector Rosa Nowels around 2000.

Great pseudomorph that is highly unusual where boleite is replaced by baby-blue chrysocolla and speckled with drusy quartz. Cuboctahedral crystals measure up to 1.1 cm. Ex Rosa Nowels collection

S24473 – Boleite

Great pseudomorph that is highly unusual where boleite is replaced by baby-blue chrysocolla and speckled with drusy quartz. Cuboctahedral crystals measure up to 1.1 cm. Ex Rosa Nowels collection

The Panasqueira mine has existed since 1896 and is one of the most classic mineral localities in Europe. This tin-tungsten mine produced incredible arsenopyrites. The 7.5 x 7.3 cm spray shown here has exceptional shape and nickel bright luster. Ex Rosa Nowels collection

S24476 – Arsenopyrite

The Panasqueira mine has existed since 1896 and is one of the most classic mineral localities in Europe. This tin-tungsten mine produced incredible arsenopyrites. The 7.5 x 7.3 cm spray shown here has exceptional shape and nickel bright luster. Ex Rosa Nowels collection

Top thumbnail! Radiant yellowish green uranocircite is excellent for what it is. The crystals reach 2.1 cm and balance nicely around a tiny bit of granite matrix.

S24480 – Uranocircite

Top thumbnail! Radiant yellowish green uranocircite is excellent for what it is. The crystals reach 2.1 cm and balance nicely around a tiny bit of granite matrix.

Outstanding specimen of the finest quality from Elk Creek, South Dakota. This barite has not only transparency but retains glassy faces and deep color. Everything is here to make this a quality display piece, including its pristine condition.

S24485 – Barite

Outstanding specimen of the finest quality from Elk Creek, South Dakota. This barite has not only transparency but retains glassy faces and deep color. Everything is here to make this a quality display piece, including its pristine condition.

This pseudomorph is an excellent example from the classic and important locality of Chessy, France. An undamaged crystal showing partial alteration of the body and hollow inner sections. Ex Rosa Nowels collection

S24488 – Malachite

This pseudomorph is an excellent example from the classic and important locality of Chessy, France. An undamaged crystal showing partial alteration of the body and hollow inner sections. Ex Rosa Nowels collection