Skip to content
Mineralati

Minerals

6323 results

Metallic inclusions of the rare Pd-Sn mineral stannopalladinite associated to pyrite in a polished section that was probably analyzed by the former owner of the specimen (the Vandenbroucke Museum, but the analysis is no longer available). From Sopcha Mt, Monchegorsk Cu-Ni Deposit,, Monchegorsk, Murmansk Oblast, Russian Federation. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Stannopalladinite

stannopalladinite

Formula
Pd3Sn2
(B) The only known harrisonite grain from Cyrilov, Czech Republic, in paragenesis with Fe-Mn phosphates staněkite (Stk), heterosite (Het), graftonite-(Mn) (Gft-Mn) and graftonite-(Ca) (Gft-Ca; BSE image). Mineral

Staněkite

staněkite
Mineral

Starkeyite

starkeyite

Formula
MgSO4·4H2O
Brown microcrystals of the very rare mineral starovaite (IMA 2011-085) associated to green lammerite from the type locality for lammerite: Yadovitaya Fumarole, Second Scoria Cone, Great Fissure, Tolbachik Volcano, Kamchatka Krai, Russian Federation. Ex-Igor Pekov specimen. Mineral

Starovaite

starovaite

Formula
KCu5O(VO4)3
Mineral

Staročeskéite

staročeskéite

Formula
Ag0.70Pb1.60(Bi1.35Sb1.35)S6
Staurolite Locality: Pestsovye Keivy, Keivy Mountains, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Locality at mindat.org) Staurolite classically forms crosses and "x"es but this is an unusually fat and dramatic example of the habit, and perched nicely on a well-trimmed matrix no less! 7.5 x 6.5 x 2.5 cm Mineral

Staurolite

staurolite

Formula
Fe²⁺2Al9Si4O23(OH)
Mineral

Stavelotite-(La)

stavelotite-(La)

Formula
La3Mn²⁺3Cu²⁺(Mn³⁺,Fe³⁺,Mn⁴⁺)26(Si2O7)6O30
Outstanding tetragonal crystals of the rare mineral steacyite from the type locality (Mont Saint Hilaire, Québec, Canada) and one of the few localities known worldwide. Mineral

Steacyite

steacyite

Formula
K0.3(Na,Ca)2ThSi8O20
Mineral

Steedeite

steedeite

Formula
NaMn2[Si3BO9](OH)2
Steenstrupine-(Ce) Locality: Kangerdluarssuq (Kangerdluarssuk; Kangerdluarsuk) Firth, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland (Locality at mindat.org) Size: 1.8 x 1.3 x 0.6 cm. A sharp, tabular, large crystal of the very rare rare-earth silicate with phosphate, steenstrupine, from the Type Locality in Greenland. This lustrous crystal has a sharp termination and is pristine. Rarely available. This is a superb, fine crystal. Mineral

Steenstrupine-(Ce)

steenstrupine-(Ce)

Formula
Na14Ce6Mn²⁺2Fe³⁺2Zr(PO4)7Si12O36(OH)2·3H2O
Dark brown cystals of the very new and extremely rare mineral stefanweissite (IMA 2018-020) from the type and only known locality for the mineral: In den Dellen Quarries, Niedermendig, Mendig, Eifel, Rhineland-Palatinate, Germany. Stefanweissite is a rare earth-Zr-Nb-mineral. The name honours Dr. Stefan Weiss (b. 1955), German geologist, mineralogist and petrologist. He is the editor of the Lapis magazine, a famous German mineral magazine. Mineral

Stefanweissite

stefanweissite

Formula
(Ca,REE)2Zr2(Nb,Ti)(Ti,Nb)2Fe²⁺O14
Yellow crystal aggregates of the very rare mineral Al-vanadate mineral steigerite associated to dark red metahewettite from the famous Cactus Rat mine in Utah (Cactus Rat Mine, The Poison Strip, Grand County, Utah, United States of America). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Steigerite

steigerite

Formula
Al(VO4) * 3H2O
Mineral

Steinhardtite

steinhardtite

Formula
Al
(a–d) Microphotographs of transparent crystals of steiningerite and associated minerals in the holotype specimen (NHMMZ M 2024/1-LS); framed section in (c) is magnified in (d). Mineral abbreviations: Di = diopside; Lct = leucite; Prv = perovskite; Sngr = steiningerite. Photos: Volker Heck. Mineral

Steiningerite

steiningerite

Formula
Ba2Zr2(Si4O12)O2
Yellow crystal group of the new and extremely rare mineral steinmetzite (IMA 2015-081, and published in 2017) from the type locality and only one of the two known localities: Hagendorf South Pegmatite, Bavaria, Germany.The specimen is from Dr. Christof Schäfer, who split a part of the holotype specimen. The sharp crystals (pseudomorph after phosphophyllite), shown by mindat, is a single specimen. All the others do not build this sharp pseudomorphosis. Mineral

Steinmetzite

steinmetzite

Formula
Zn2Fe³⁺(PO4)2(OH)·3H2O
The colorless platelets of steklite on a sintered rock from the burnt dump of the Mine No. 47, Kopeisk, South Urals. The image is published in an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Mineral

Steklite

steklite

Formula
KAl(SO4)2
Stellerite crystals with some chabazite-Ca on the matrix (5.5 × 4 × 2.5 cm). Found from Takat, Imilchil, Midelt Province, Drâa-Tafilalet Region, Morocco Mineral

Stellerite

stellerite

Formula
Ca4(Si28Al8)O72·28H2O
Outstanding dark orange crystals of the extremely rare Ca-Fe-Sb arsernite mineral stenhuggarite from the type and only known locality worldwide for the mineral (Långban, Filipstad, Värmland County, Sweden) and associated to nice metallic hematite. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Stenhuggarite

stenhuggarite

Formula
CaFeSb(AsO3)2O
A white vitreous crystal aggregate of the extremely rare Sr carbonate fluoride mineral stenonite from the TL (Ivigtut, Ivittuut, Arsuk Fjord, Sermersooq, Greenland) and only known confirmed locality in Greenland. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Stenonite

stenonite

Formula
(Sr,Ba,Na)2Al(CO3)F5
Mineral

Stepanovite

stepanovite

Formula
NaMgFe³⁺(C2O4)3·9H2O
Stephanite (outdated „Sprödglaserz“) Ag5SbS4 Locality: Himmelsfürst Mine, Freiberg, Saxony, Germany Weight: 28.086 g Mineral

Stephanite

stephanite

Formula
Ag5SbS4
A white specimen of the very rare ammonium sodium phosphate mineral stercorite from a very small islands called Guañape (only about 1 km long each!) in Peru (Guañape Islands, Virù Province, Libertad Department, Peru). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Stercorite

stercorite
Stergiouite is a new mineral from the Plaka area in the northern part of the Lavrion Mining District, Greece. Mineral

Stergiouite

stergiouite
White silky spherules composed of acicular crystals of the extremely rare Mn arsenate mineral sterlinghillite from the TL in Sterling Hill mine (Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America) and only one of the three known localities worldwide. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Sterlinghillite

sterlinghillite

Formula
Mn²⁺3(AsO4)2 * 3H2O