ncat JP2605 Andradite, Ural Mountains, Russia
Partially polished crystal of green andradite (Demantoid) showing horsetail inclusions. Width of view 6mm. Stack of 34 images.
Russia
2228 Crocoite, Berezovsk deposit, Beryozovsky, Sverdlovsk Oblast, Russia
Deep orange tabular crystals of crocoite. Width of view 7.67mm. Stack of 47 images. Click on the image below for a higher resolution version.
5754 Biraite-(Ce), Hydroxylbastnasite-(Ce), Strontianite, Aragonite, Calcite, Cordylite-(Ce), Cordylite-(La), Niobochevkinite-(Ce), Ferriallanite-(Ce), Talc, Thorite, Daqingshanite-(Ce), Daqingshanite-(La), Ancylite-(Ce), Ancylite-(La), Kukharenkoite-(Ce), Carbocernaite, Cordilitovaya carbonatite vein, Ust’-Biraya deposit, Vitim Plateau, Eastern Siberia, Russia
Extremely rich 8x7x2mm specimen containing abundant inclusions (red arrowed) of brown biraite-(Ce) – an extremely rare silico-carbonate of REE. Biraite contains microscopic inclusions of hydroxylbastnasite-(Ce) and intergrows with its more yellow macro grains well recognisable...
5726 Natisite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
Type Locality. Tiny green grains. Ex Peter Hall Collection.
8519 Tenorite, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Krai, Russia
Lustrous black rounded wires of tenorite. Width 7.5mm. Stack of 90 images.
4660 Shadlunite, chalcopyrite, pentlandite, cubanite, magnetite, galena, sphalerite, and silver, Mayak Mine (Majak Mine), Talnakh Cu-Ni Deposit, Noril’sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
Type Locality. Polished section & analysis of this very rare lead-iron analogue of pentlandite, from the type locality, present as typical submicroscopic grains embedded in massive sulphides. Ex Raymond Hodgson Collection (4272) obtained in 2007....
30102 Quartz, Pyrite, Sphalerite, Chalcopyrite, Nikolaevskiy Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia
A lot going on here. Orange phantoms in quartz crystals. These are coated in white drusy quartz. Then there are colourless quartz scepters. But not just at the tips. There are tiny little sceptres ALONG...
30091 Sphalerite, Quartz, Nikolaevskiy Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia
Complex black sphalerite with orange coated quartz crystals. Video best viewed full screen.
30083 Sphalerite, Nikolaevskiy Mine, Dalnegorsk, Primorsky Krai, Russia
Fracture runs right through specimen. No sign of any repairs. Video best viewed full screen.
Deaccessioned 30078 Calcite, Sphalerite, Chalcopyrite, Quartz, Fluorite, Bor Pit, Dal’negorsk B deposit, Dalnegorsk, Primorsky Krai, Russia
Tiny white calcite on yellowish calcite, chalcopyrite partially covered by sphalerite, and quartz and colourless fluorite. Video best viewed full screen.
20022 Siderite, Nikolaevskiy Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia
Brown ball on quartz matrix. Minor pyrite present. Ex Elena van Schriver.
10063 Calcite, Quartz, Dal’negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
Cream flattened calcite crystals on tapering quartz crystals.
10044 Sphalerite, Pyrite, Quartz, Dal’negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
Stalactite of black crystals of sphalerite with a quartz crystal and minor pyrite on a few sphalerite crystal terminations, 58mm wide.
ncat JP1175 Orpiment, El’brusskiy Arsenic mine (Elbrusskii), Elbrus Mt, Kabardino-Balkaria, Russia
Bruzie Mine, Urals, Russia
5498 Lomonosovite, Lovozero Massif, Murmanskaya Oblast’, Northern Region, Russia
Ex John Sobolewski, Matt Gibbs
20001 Elbaite, Malkhan pegmatite field (Malchan; Malechansk), Krasnyi Chikoy, Chitinskaya Oblast’, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
A single rubellite crystal, typical pink, 25x5x5mm.
10046 Quartz, Nikolaevskiy Mine, Dal’negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
The Rocket. Group of beta-quartz like crystals that looks like a rocket ready for lift-off.
4662 Azoproite, Tazheranskii Massif (Tazheran Massif), Lake Baikal area, Irkutskaya Oblast’, Prebaikalia (Pribaikal’e), Eastern-Siberian Region, Russia
Type Locality. Small shiny black crystalline masses and grains of this unusual borate in white brucite marble. Analysed material, obtained in 2001. Ex Raymond Hodgson Collection (3828)
4658 Kamchatkite, Tolbachik volcano, Kamchatka Oblast’, Far-Eastern Region, Russia
Type Locality. Tiny green chip in capsule. Alters in air. Ex Raymond Hodgson Collection (3839).
4659 Type Locality. Fedorovskite, Solongo B deposit, Vitim Plateau, Buriatia Republic (Buryatia), Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Small capsule of brown fibrous material of this rare manganese borate mineral. Obtained in 1997. Ex Raymond Hodgson Collection (3345)
4661 Arctite, Koashva Open Pit, Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast’, Northern Region, Russia
Small, glassy colourless inclusions (fluorescent blue in SW UV) in natrolite. A very rare sodium-calcium-barium phosphate, obtained in 2008 (at some cost!). Ex Raymond Hodgson Collection (4408)
4600 Uvarovite, Saranovskii Mine (Saranovskoe), Saranovskaya Village (Sarany), Gornozavodskii area, Permskaya Oblast’, Middle Urals, Urals Region, Russia
Type Locality. Rich green uvarovite crystals to 1mm on every side.
4290 Lemmleinite-Mg, Kovdor Zheleznyi Mine (Iron Mine), Kovdor Massif, Murmansk Oblast, Russia
Sauktown 6/2006. Likely Lemmleinite-Ba (no such mineral as Lemmleinite-Mg)
4043 Ekaterinite, Korshunov Deposit, Lower Ilim, Irkutsk, Transbaikalia, Russia
Jim Ferraiolo 6/2005
5298 Kentbrooksite, Burpala, Eastern-Siberia, Russia
Brown couloured kentbrooksite in a matrix
5299 Euchlorine, Fedotovite, Tolbachik Volcano, Kamchatka, Russia
Green euchlorine on matrix in vial
2195 Holtite, Polylithionite, Mt Plosjaja, Keivy, Kola Peninsula, Russia
ex Fersman Mineralogical Museum, Moscow.
1217 Platinum, Tuba River, Western Siberia, Russia
Several dozen of these little nuggets, at least, mounted on a square of stiff yellow paper glued to the top of a cork pedestal in a two piece black plastic micromount display case. From the...
1104 Kozyrevskite, Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast’, Far-Eastern Region, Russia
This NEW SPECIES occurs as very tiny, grass-green to light green aggregates of coarse prismatic to acicular crystals on volcanic scoria, typically with darker green undefined Cu-sulfates and occasionally black tenorite. Formula: Cu4O(AsO4)2 ? orthorhombic...
0971 Chrysothallite, Belloite, Avdoninite, Chlorothionite, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast’, Far-Eastern Region, Russia
Another NEW SPECIES from this bizarre geological environment in Kamchatka, chrysothallite occurs as extremely small, bright golden yellow, equant micro crystals perched in scoria vugs, often with olive green belloite and occasionally other rare species...