Show newer

Catapleiite, Na2Zr(Si3O9)·2H2O

Colorless catapleiite with dark green aegirine.

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.6 mm
collecting

Carletonite, KNa4Ca4Si8O18(CO3)4(F,OH)·H2O
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.7 mm
collecting

•Cancrisilite, Na7(Si7Al5)O24(CO3)·3H2O
Was cancrinite until cancrisilite was described.
Per communication from László Horvath on 6 June 2007, the only cancrinite at MSH is the yellow. The colorless and pale mauve have been shown to be cancrisilite. Analysis by XRD, EMPA, and IR.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.9 mm
collecting

Burbankite, (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Yellowish hexagonal prisn of burbankite. The acicular crystals at upper left are aegirine.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.0 mm
collecting

Brookite, TiO2
Cluster of several black brookite crystals.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.1 mm
collecting

Birnessite, (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O
Ranciéite, (Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O
Originally described as birnessite, new research showed to be a mixture with ranciéite.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4.0 mm
collecting

Annite, KFe2+3(AlSi3O10)(OH)2
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.6 mm
collecting

Berthierine, (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
Ancylite-(Ce), CeSr(CO3)2(OH)·H2O
Two hexagonal pale green berthierine crystals plus 2 cololess ancylite-*Ce)_ crystals.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.6 mm
collecting

Bavenite, Ca4Be2+xAl2-xSi9O26-x(OH)2+x (x = 0 to 1)
Pale yellow to white bavenite plates.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4.0 mm

Barylite, BaBe2Si2O7
Two barylite crystals
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.0 mm

Baryte, Ba(SO4)
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 0.8 mm

Astrophyllite, K2NaFe2+7Ti2(Si4O12)2O2(OH)4F - the dark to light brown crustals.
Sphalerite, ZnS - the pale pink crystal just above center.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4.0 mm

Astrophyllite, K2NaFe2+7Ti2(Si4O12)2O2(OH)4F

spray of thin light brown crystals.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 2.0 mm

Ashcroftine-(Y), K5Na5Y12Si28O70(OH)2(CO3)8·8H2O as fine fibers.
Aegirine, NaFe3+Si2O6 - the dark green crystals
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.2 mm

Arsenopyrite, FeAsSPoudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 0.9 mm

Ancylite-(Ce), CeSr(CO3)2(OH)·H2O
Very pale pink crystals on blades of albite.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.5 mm

Andradite, Ca3Fe3+2(SiO4)3
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.5 mm

Annite, KFe2+3(AlSi3O10)(OH)2
Pyrite, FeS2
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4.0 mm

Arfvedsonite, NaNa2(Fe2+4Fe3+)Si8O22(OH)2
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4.0 mm

Anatase, TiO2
Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.8 mm

Show older
Qoto Mastodon

QOTO: Question Others to Teach Ourselves
An inclusive, Academic Freedom, instance
All cultures welcome.
Hate speech and harassment strictly forbidden.