A beautiful glassy terminated diopside standing on a group of natural color ( not heated ) tanzanite crystals .
Size 5x2,5x1,5 cm . Diopside size 2,5 cm
Very rich piece with red crystals, type locality saneroite, astrophyllite and a large crystal of aegirine . Rare occurrence from an uncommon locality . size 5x4x3 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 8x6x4 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 7x4x4 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 7x4x4 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 7x4x3 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 7x4x5 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 5x4x6 cm
Here is a wonderful example of fluorite specimen that was recovered in 2022-2023 from a new find in Nigeria. The fluorite cubes exhibit a deep inky indigo color and are fluorescent under sunlight size 5x5x4 cm
Nice group of hopeite crystals of dark orange-brown color from defunct locality . The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 10x10x6 cm
Nice group of hopeite crystals of dark orange-brown color from a defunct locality . Hopeite crystals are well developed and associated to transparent micorcvrystals of parahopeite . Pictures taken with white led light and halogen lamp .The specimen come from a Geologist collection who worked at that mine in 1975- 1980. Size 3x2x1 cm
Nice group of hopeite crystals well developed and associated to transparent micorcvrystals of parahopeite. in one broken crystal is clearly visible the white "core" of hopeite , surrounded and partialle replaced by a crust of parahopeite Pictures taken with white led light and halogen lamp .The specimen come from a Geologist collection who worked at...
Nice group of colorless crystals of Parahopeite (TL)rom defunct locality . The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 10x10x6 cm
Nice group with lucent parahopeite crystals of dark orange-brown color due to iron staining pseudomorph of hopeite from defunct locality . The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 9x6x2 cm
IInteresting, bright color from defunct Type locality locality, associated to hemimorphite . The specimen come from a Geologist collection who worked at that mine in 1975- 1980. Size 4x2,4x2,5 cm
In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite. SEM investigation has shown alternating layers of dark vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 8x6x3 cm
In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite. SEM investigation has shown alternating layers of dark vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 12x9x5 cm
Rare Fluorescent Phosphorescent Willemite . Large and Rare fluorescent and phosphorescent specimen Interesting 1st and 2nd generation growth of Willemite Pictures in SW. After switching off UV lamp the specimen shows phosphorescence . From a Geologist collection who worked at that mine in 1975- 1980. Size 4x3x3 cm
Rare Fluorescent Phosphorescent Willemite . Large and Rare fluorescent and phosphorescent specimen Interesting 1st and 2nd generation growth of Willemite Pictures in SW. After switching off UV lamp the specimen shows phosphorescence . From a Geologist collection who worked at that mine in 1975- 1980. size 4,5x3x2,5 cm, weight 80 g