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6323 results

Suolunite Locality: Black Lake, Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada (Locality at mindat.org) Size: small cabinet, 8.4 x 5.2 x 4.2 cm Suolunite A single surprising pocket of this material was found at the Thetford locality better known for garnets, back in the late 1990s. The whole pocket was sold to the Royal Ontario Museum at the time, before it was known this was more than just odd colored prehnite. It turned out to be quite literally the world's best suolunite by an order of magnitude. GEMS were cut from this material, even! Back around 1999-2000 I was able to exchange a few specimens with the ROM for a choice sturmanite specimen, and this came from that lot (long since sold to a customer, recently repurchased). The unique lavender hue of this material, and the rolling surface, make it a display-worthy piece of this rarity. Small gems could also be cut from the periphery, which is fairly thick and contains translucent zones. Mineral

Suolunite

suolunite

Formula
Ca2Si2O5(OH)2(H2O)
Suredaite Locality: Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina (Locality at mindat.org) Size: small cabinet, 7.3 x 6.4 x 3.5 cm SUREDAITE ex. Dr. Werner Paar Collection A large ore matrix hosts here a cavity 1 cm across with sharp crystals, to about 2mm. This Pb-Sn-S mineral, similar in overall appearance with teallite, is a unique Mineral

Suredaite

suredaite

Formula
PbSnS3
Mineral

Surinamite

surinamite

Formula
Mg3Al3O[Si3BeAlO15]
White microcrystals of the rare mineral surite on nice cubes of galena. Surite has only been found in three localities worldwide. From: Cruz Del Sur Mine, Nueve de Julio Department, Río Negro, Argentina. Mineral

Surite

surite

Formula
(Pb,Ca)3(Al,Fe²⁺,Mg)2((Si,Al)4O10)(CO3)2(OH)2
Mineral

Surkhobite

surkhobite

Formula
KBa3Ca2Na2Mn16Ti8(Si2O7)8O8(OH)4(F,O,OH)8
Dark orange crystals of the rare manganese mineral sursassite from a Swiss locality (Falotta, Tinzen, Grischun, Switzerland) very close to the type locality. Mineral

Sursassite

sursassite

Formula
Mn²⁺2Al3(SiO4)(Si2O7)(OH)3
Susannite Locality: Lautenthal smelter (slag locality), Lautenthal, Harz, Lower Saxony, Germany Original description: dimension area mm. 4 x 4 Mineral

Susannite

susannite

Formula
Pb4(SO4)(CO3)2(OH)2
Mineral

Suseinargiuite

suseinargiuite

Formula
NaBi(MoO4)2
Sussexite Locality: Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA (Locality at mindat.org) An attractive mass of waxy, lavender/pink sussexite, from the type locality for the species. This specimen is from the North Orebody portion of the mine. This material is very odd, and feels like talc when rubbed. 7 x 4 x 3.5 cm. Mineral

Sussexite

sussexite

Formula
Mn²⁺BO2(OH)
Mineral

Suzukiite

suzukiite

Formula
BaVSi2O7
Svabite. Caryopilite Dimensions: 9.0 cm x 8.0 cm x 4.0 cm Locality: Harstigen Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden A brown, black, and medium gray mottled specimen consisting of massive svabite (calcium arsenate) and caryopilite (manganese magnesium silicate hydroxide). Svabite occurs in knots of gray, granular, cleavable massive grains to 1 mm and caryopilite is present as granular massive, platy, brown aggregates. Both are associated with black, irregular patches of what are interpreted here as hausmannite. From the Harstigen mine, Persberg district, Filipstad, Varmland, Sweden. Ex. Paulo Matioli collection and has a Swedish Museum of Natural History label. Mineral

Svabite

svabite

Formula
Ca5(AsO4)3F
Svanbergite, Uvite Locality: Brumado, Bahia, Brazil Size: miniature, 6 x 3 x 3 cm Svanbergite on Uvite Tourmaline A very fine and unusually attractive display specimen of svanbergite crystals to 6mm on matrix of contrasting green uvite. The Svanbergite is large and well-formed, and the perch on uvite is unusual. ex. Carlos Barbosa Mineral

Svanbergite

svanbergite

Formula
SrAl3(SO4)(PO4)(OH)6
Sveinbergeite Field of view: 2 mm Locality: Veiskjæring Buer (TL), Vesterøya, Sandefjord, Vestfold, Norway (locality at mindat.org) Mineral

Sveinbergeite

sveinbergeite

Formula
Ca(Fe²⁺6Fe³⁺)Ti2(Si4O12)2O2(OH)5(H2O)4
Mineral

Sveite

sveite

Formula
KAl7(NO3)4(OH)16Cl2 * 8H2O
Mineral

Sverigeite

sverigeite

Formula
NaMnMgSnBe2(SiO4)3(OH)
Mineral

Svetlanaite

svetlanaite

Formula
SnSe
Mineral

Svornostite-(K)

svornostite-(K)

Formula
K2Mg[(UO2)(SO4)2]2·8H2O
Mineral

Svornostite-(Nh₄)

svornostite-(NH₄)

Formula
(NH4)2Mg(UO2)2(SO4)4(H2O)8
White and pale yellow crystal aggregates and microcrystals of the very rare mineral svyatoslavite from a the type and only known locality worldwide in Russia: Coal Mine #45, Kopeisk, Chelyabinsk Oblast, Russian Federation. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Svyatoslavite

svyatoslavite

Formula
Ca(Al2Si2O8)
Mineral

Svyazhinite

svyazhinite

Formula
(Mg,Mn²⁺,Ca)(Al,Fe³⁺)(SO4)2F * 14H2O
Mineral

Swaknoite

swaknoite

Formula
(NH4)2Ca(HPO4)2 * H2O
Pale yellow, needle-like swamboite with zonal banded yellow prisms of soddyite from Swambo Mine, Democratic Republic of Congo (Field of view: 5.8 mm). Notice the swamboite in the centre of the picture which "pierces" and penetrates a soddyite crystal. Mineral

Swamboite-(Nd)

swamboite-(Nd)

Formula
Nd0.333[(UO2)(SiO3OH)](H2O)\\sim2.5
Mineral

Swartzite

swartzite

Formula
MgCa(UO2)(CO3)3 * 12H2O
Colorless sharp hexagonal crystal of the extremely rare mineral swedenborgite (Na-Be-Sb oxide) from the type and only known locality worldwide, the famous Langban deposit (Sweden). Mineral

Swedenborgite

swedenborgite

Formula
NaBe4Sb⁵⁺O7