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Steacyite from
Pumice quarry, Ribeira Grande, São Miguel, Azores, Portugal


Locality type:Quarry
Classification
Species:Steacyite
Formula:K0.3(Na,Ca)2ThSi8O20
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Data
Mineral Data:Click here to view Steacyite data
Locality Data:Click here to view Pumice quarry, Ribeira Grande, São Miguel, Azores, Portugal
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:1033479
Long-form Identifier:1:3:1033479:3
GUID (UUID V4):7e5b3923-87dc-4205-b69f-2f018c2fade1
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
collected from the San Vito Quarry near Ercolano The Bronze Age Avellino pumice eruption (3945 ± 10 cal...Santacroce et al. 2008). The vent area of the Avellino pumice eruption was located at the Piano della Gianestre...syenite clasts were collected from the San Vito Quarry, Ercolano (40 °49′50.91´´N – 14 °22′54.84″E). The...group members are common. Britholite-(Ce) and steacyite (ThNa2K1-x□xSi8O20; with x ≈ 0.5; Uvarova et al...(two nearly identical compositions for Avellino pumice data; Ayuso et al. 1998) and εHf = +0.5 (two nearly
Journal (issue)
that where the flow came into contact with the pumice-like o lder rock, more chemicals were introduced...(UK81) Sodalilc Speniniitc: Spesw~ite Sphalerite Steacyite' (UK4) Stcc:nsltupinc-(Cec) SrillwcllitA."(Ce)...cnite UK2 Narsarsukitc UKJ Ancylitc-{Cc) UK4 Steacyite·• UKS l..abun150vile UK6 Montcrcgianilc-{Y)' UK7
Book
.......................................... 52 Portugal ........... ... ................................n1etazeunerite, and phosphuranylite. ln1portant deposits in Portugal and France are also examples of this type. Alfassive...Carolina; the region between Sabugal and Guarda. Portugal; and Salan1anca, Spain. Carbonatites are n1agn1atic...Moctezun1a n1ine, Sonora 1965 Cliffordite San Miguel n1ine, Sonora 1969 Schmi tterite Moctezuma mi...1-/ampshire 36 13 Topsham, lvfaine: Russell Brothers quarry, Swa111p quarries, Yedlin locality 14 Swanson,
Journal (article/letter/editorial)
Surtsey volcano; along with these rocks, acid tephra (pumice fragments) from Hekla and Askja volcanoes was analyzed...(23–31 wt %). It is interesting that PAH in the pumice fragments are dominated (as in the basalts) by...and naphthalene (27 and 42%) homologues. PAH in pumice from Hekla volcano contain much phenanthrene (20...of thorite 2–4, occasionally 30 µm (sample 1), steacyite, and calcite. According to the IR spectra and
Book (edition)
Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...dolerite on Monte Redondo, 160 km N of Lisbon, Portugal. Columnar aggregates in ultrabasic rocks at Smrcina...to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,·age {001} perfect. {100} and {010}...mineral of alkaline rocks in the Point of Rocks quarry, Colfax co., New Mexico, with aegirine and arfvedsonite...several cm on prehnite in basalt in the Chantilly quarry, Loudoun co., Virginia. In metamorphic sulfide
Book (edition)
°Pernambuco SRR Piaui E : Rio de Janeiro Rio Grande Norte Rio Grande Sul AG AL AP AM BA CE PA Ee PE PI RJ...distributed in Cu-Se deposits. Cougar mine, San Miguel Co., CO; Kidd Creek mine, near Timmins, ON, and...an accessory mineral in serpentinite. Cedar Hill quarry, Lancaster Co., PA; Josephine Co., OR; White Creek...1 (540 nm). Chaméane, Puy-de-Déme, France; San Miguel mine, Moctezuma, SON, Mexico.pm TMPM 29:151(1982)...in meteorites and lunar rocks. Howard Montgomery quarry, Howard Co., MD; Mackinaw mine, Snohomish Co.,
Book
MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...1991). Simdeled, Aust-Agder. Early in 1999, in a quarry near S~ndeled, collectors opened a pocket containing...2000). PORTUGAL Montijos quarry, Monte Redondo, Leiria Estremadura. The Montijos gabbro quarry at Monte...EUROPE AUSTRALIA GREECE Portland Harbor Trust quarry, Cape Grant, Victoria. In the late 1970s and early
Book (volume)
Strontioginorite (Sr,Ca)2B14O23·8H2O Locality: Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia...NaBe(CO3)(OH)·2H2O Locality: Poudrette (Demix) quarry, Mont Saint-Hilaire, Rouville RCM (Rouville Co...C18 Brenkite Ca2(CO3)F2 Locality: Schellkopf quarry, near Brenk, Eifel region, Germany (type locality)...Weloganite Sr3Na2Zr(CO3)6·3H2O Locality: Francon quarry, Saint-Michel, Montréal, Québec, Canada (type...mine, Sobral da Adiça, Moura, Beja district, Portugal. Description: Light grey, massive. Identified
Book (edition)
the floor of the 910 foot level of the Commercial Quarry, Crestmore, California, associated with quartz...Rowan County, North Carolina; at the Chantilly quarry, near Arcola, Virginia; Cochise, Gila, and Pima...found in the tin-tungsten veins of Panasqueira, Portugal, with thadeuite. 18 ALTMARKITE SELECTED REFERENCES:... and other minerals; also found at a dolomite quarry near Bergisch-Gladbach, Germany; Osaka Prefecture...cite and quartz masses, at the Keystone Trappe quarry, Cornog, Chester County, Pennsylvania. Dana’s SELECTED
Book (edition)
the floor of the 910 foot level of the Commercial Quarry, Crestn1ore, California, associated with quartz...Rowan County, North Carolina; at the Chantilly quarry, near Areola, Virginia; Cochise, Gila, and Pima...found in the tin-tungsten veins of Panasqueira, Portugal, with thadeuite. 18 AL TMARKITE SELECTED REFERENCES:...malachite, and other minerals; also found at a dolomite quarry near Bergisch-Gladbach, Germany; Osaka Prefecture...and quartz masses, at the Keystone Trappe Rock quarry, Cornog, Chester County, Pennsylvania. SELECTED
Book
Porzellanaris = Kaolinite Argilla Pumex = a rock (Pumice] Argilla Saponiformis = Montmorillonite (Terre...mineral Asquinita = Polymignite Assio = a rock (Pumice) Assurie • hydrous iron oxides (limonite) Asbest...tectitic material Bimstein, Bimsstein = a rock (Pumice) Bin • Montmorillonite [Bentonite) Binoire = (of...Dachiardit« = a) Dachiardite·Ca, b) (lrai:, r,rincon quarry, Montreal! Dachi...mineral Desmile = cool [Residuum) Desourdyile = Steacyite Deslinezite = Diadochite Deulo Fluole of Cerium
Journal (issue)
Andesite, basaltic pyroclastica, basalt flows, pumice CreUceousf?) 910+ Hypabyssal rocks—andesite...Nugget Fraction mine about 15 miles south of Casa Grande, Arizona. Resource Enterprises carried a number...Staurolite, change orth. to mon., ps. orth. 154 Steacyite, add 68, 472 (1983) 157 Sulfoborite, change formula
Book (edition)
330, c 26.60 A. Z=2 [ PDF 35-676). (TL) Mocult:i quarry, Ang:iston. South Australia. Named for A.R. Alderman...Field ( 1 859) A111a. J. Sri. 27. 387. (TL) Mina Grande. Coquimbo. Chile. Probably a mixIure. Named for...Abstr. ( 1909) 3, 1 974. Alomite. trade name. The Quarry, London ( 1 908) 13. 257: W.G. Renwick ( 1 909)...I 90 A. I� 100.86'. Z=4. (TL) Amstall graphite quarry . Austria. Named for locality. Anagenite. syn....1847) Amer. J. Sci .. ser. 2. 3, 32. (TL) San Miguel. Azores. Shown to be zircon by A. Osann ( 1 887) Neues
Book
pulverulent adj. :verpoeierbaar Pumice : puimsteen (gesteente) pumice flow : puimsteenvloei pumiceous...puimsteen : pumice (rock) puimsteenagtig : pumiceous Puimsteenbom : pumiceous bomb puimsteenvloei : pumice flow...starkeyite : starkeyiet staurolite : stouroliet steacyite :steacyiet steatite salso known as soapstone?
 
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