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Minerals

6323 results

Mineral

Schöllhornite

schöllhornite
Schüllerite. Field of view 4 mm. From: Löhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany. Mineral

Schüllerite

schüllerite

Formula
Ba2Ti2Na2Mg2(Si2O7)2O2F2
Mineral

Sclarite

sclarite
Scolecite and apophyllite Locality: Jalgaon District, Maharashtra, India Size : 20 x 11 x 10 cm Mineral

Scolecite

scolecite

Formula
Ca(Si3Al2)O10·3H2O
Dark orange crystals of the extremely rare mineral scordariite (IMA 2019-010). From: Monte Arsiccio Mine, Apuan Alps, Tuscany, Italy. Mineral

Scordariite

scordariite
Scorodite Locality: Hezhou Prefecture, Guangxi Zhuang Autonomous Region, China (Locality at mindat.org) Size: thumbnail, 2.8 x 2.4 x 2.3 cm Scorodite A MONSTER of a crystal, at 2.5 cm tall, makes this a "boxbuster " thumbnail specimen of some significance! The crystal is complete, though contacted on the left side. It is so thick that it is opaque, but has a surface sheen of the unusual blue-purple nature that many of these seem to possess. The sheer size, combined with sharp geometry, is shocking. This is the largest crystal in good condition, without being so lost in a jumble you cannot see it, that I have seen in the find. Others are larger, by a little bit, but tend to be buried in the pyrite. Mineral

Scorodite

scorodite

Formula
Fe³⁺AsO4·2H2O
Mineral

Scorticoite

scorticoite
Scorzalite Locality: Estaño Orcko mine (Estaño Orkho mine), Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia (Locality at mindat.org) Size: 6.8 x 5.7 x 5.1 cm. Recently some very impressive and attractive specimens of Scorzalite were found at the Estaño Orcko mine in Bolivia. For some time these specimens were thought to be Lazulite, but Brian Kosnar was the one who first reported (through analysis) that they are indeed Scorzalite (the iron analogue of Lazulite). For the size, luster and overall quality of the crystals, they are certainly some of the best Scorazlites to reach the market in a very long time. This particular specimen hosts a few sharp, very lustrous, deep inky-blue color, monoclinic crystals of Scorzalite measuring up to 3 mm on matrix. Mineral

Scorzalite

scorzalite

Formula
Fe²⁺Al2(PO4)2(OH)2
Mineral

Scotlandite

scotlandite
Sky blue scottyite crystals in a contrasting matrix from the famous Eifel quarries (Graulai Quarry, Hillesheim, Eifel, Rhineland-Palatinate, Germany). Analyzed specimen. Mineral

Scottyite

scottyite

Formula
BaCu2Si2O7
Brown patches of scrutinyite from the famous Blanchard claims in New Mexico (Sunshine #1 Adit, Blanchard Mine, Bingham, Socorro County, New Mexico, United States of America). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Scrutinyite

scrutinyite

Formula
α-PbO2
Mineral

Seaborgite

seaborgite
Seamanite Field of view: 1 mm Locality: Iron Monarch Main Pit, Iron Knob, Pastoral Unincorporated Area, South Australia, Australia Mineral

Seamanite

seamanite
Searlesite Locality: Westvaco mine, Green River formation, Sweetwater County, Wyoming, USA (Locality at mindat.org) Size: 11.3 x 7.2 x 1.8 cm. This is a huge crystal for the species, showing an 8 cm-tall sub-termination leading up to the main termination above. These are giants for the species and it is an attractive specimen. It is coated in some edges by another white, powdery mineral species (perhaps norsethite but not yet tested). Ex. Smithsonian and Academy of Natural Sciences Philadelphia Collections. Mineral

Searlesite

searlesite

Formula
NaBSi2O5(OH)2
Brass- yellow metallic crystal aggregtate of the very rare nickel selenide mineral sederholmite from the TL and only known locality worldwide in Finland: Kuusamo, North Ostrobothnia, Finland. Probably analyzed specimen by the former owner of the specimen (the Vandenbroucke Museum) since both sides of the specimen are polished, but the analysis is no longer available. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Sederholmite

sederholmite

Formula
NiSe
Mineral

Sedovite

sedovite
Seeligerite Locality: San Francisco Mine (Beatrix Mine), Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile (Locality at mindat.org) Field of view 7 mm. Specimen and photo Leon Hupperichs. Mineral

Seeligerite

seeligerite

Formula
Pb3(IO4)Cl3
Seelite from the type locality: Rabejac, Lodeve, Herault, Languedoc-Roussillon, France. Mineral

Seelite

seelite

Formula
Mg(UO2)2(AsO3,AsO4)2·7H2O
5.2 x 3.6 x 3.3 cm. This material is rarely available, and the species itself is only found in three places in the world. The phosphate species segelerite was approved in 1973, and the best examples are found at the Tip Top Mine to the best of my knowledge. This piece features tiny pale yellow "needle"-like crystals of segelerite on host rock matrix. A micro specimen to be sure, as the crystals are tiny, but really cool to view under the microscope. I'm told that this material hasn't been available for many years. Ex. Paolo Matioli Collection. Mineral

Segelerite

segelerite
Mineral

Segerstromite

segerstromite

Formula
Ca3(As⁵⁺O4)2[As³⁺(OH)3]2
Segnitite, Lepidocrocite Locality: Alto das Quelhas do Gestoso Mines, Gestoso, Manhouce, São Pedro do Sul, Viseu District, Portugal Picture width 1 mm. Collection and photograph Christian Rewitzer Yellowbrown Segnitite (analysed !) with redbrown Lepidocrocite. Mineral

Segnitite

segnitite
Pale yellow radial crytsals of the REE mineral seidite-(Ce) from the TL in Lovozero (Lovozero Massif, Murmansk Oblast, Russian Federation). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Seidite-(Ce)

seidite-(Ce)

Formula
Na4(Ce,Sr)2[TiSi8O18(OH)2](O,OH,F)4 * 5H2O
Seidozerite Locality: Pegmatite No. 58, Muruai and Uel'kuai rivers, Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Reddish-brown Seidozerite (analysed) Field of view 8 mm. Specimen and photo Leon Hupperichs. Mineral

Seidozerite

seidozerite

Formula
Na2Zr2Na2MnTi(Si2O7)2O2F2
Seifertite (SiO2). Red atoms are silicon Mineral

Seifertite

seifertite