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Leucosphenite Gallery

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Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

A 1.4mm xl of leucosphenite. JBS specimen and photo.
 © 2004 JBSPhoto ID: 19125    View Count: 624

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Picture width 4 mm. Collection and photograph Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 34437    View Count: 317

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Photographed by and in the collection of Doug Merson.
 © 2005 DMPhoto ID: 31908    View Count: 297

Multiple photos availableLeucosphenite : BaNa4Ti2B2Si10O30, Manganoneptunite : Na2KLi(Mn2+,Fe2+)2Ti2[Si8O24], Aegirine : NaFe3+[Si2O6], Petersenite-(Ce) : Na4(Ce,La,Nd)2(CO3)5, Microcline : K[AlSi3O8]

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

FOV approx 2.2 x 1.3 cm. Via Jean-Pierre Beckerich.
The (greenish gray) leucosphenite (about 8 mm) is not particularly attractive but its association with (reddish brown) manganoneptunite is remarkable. Even more remarkable is the apparent petersenite-(Ce) inclusion in the latter. (See http://www.mindat.org/photo-175958.html for a closeup.) ...
Photo ID: 175956    View Count: 125

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Specimen and photograph by Arnaldo Brunetti

Field of view: 3mm

Associated minerals Quartz, Lorenzenite
Photo ID: 211869    View Count: 120

Multiple photos availableLeucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Leucosphenite group is ~ 1.5 cm wide.
Updated Sept 2009 using macro with stacking and better color fidelity (grayish blue).
Photo ID: 175728    View Count: 113

Multiple photos availableLeucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

FOV 12.0 x 7.2 mm. Modris B. Coll.
Stereo child photo.
Photo ID: 175835    View Count: 105

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Specimen and photograph by Arnaldo Brunetti

Field of view: 5mm

Associated minerals Calcite
Photo ID: 208089    View Count: 95

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

FOV 2.1 x 1.4 mm. Collected by Modris B. July 1995.
This completely colorless and partially transparent xl is from a marble xenolith - an uncommon occurrence.
Photo ID: 176094    View Count: 84

Leucosphenite : BaNa4Ti2B2Si10O30

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

FOV 6.2 x 4.7 mm. Collected by Modris B. May 1998.
This specimen is neither from brecia nor marble xenolith (the two usual sources for leucosphenite at MSH. Rather it is from an "offshoot vein" of the Poudrette pegmatite penetrating hornfels. It associated with "pink" narsarsukite (analysed) - another "out of place" mineral.
Photo ID: 176093    View Count: 69

Additional Photos

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Click here to see all photos of Leucosphenite from Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada.
 
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