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Malcolm R Uffelman Jr's Mindat Home Page

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About Malcolm R Uffelman Jr

Registered member since 25th Jan 2010

Malcolm R Uffelman Jr has uploaded:
7 Mineral Photos
Malcolm does not yet have a home page article.


Favourite Photos

8R1-R78Murmanite : Na2Ti2(Si2O7)O2·2H2O

Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Width of field 2.5 mm. Collection of Jesse Crawford. Compositing software: CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope.
Copyright: © 2008 Jesse Crawford      Photo ID: 190851     Uploaded by: Jesse Crawford   View Count: 386   Approval status: Public galleries    Type: Photo - 965 x 631 pixels (0.6 Mpix)

DF9-KV6Eudialyte Group

Multiple photos available
Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada

FOV 5.9 x 4.3 mm. Found late 1990s. Not analyzed. MOB coll.

Eudialyte colors at STA range from orange to magenta. The orange variety is not rare but seems to be particulary fragile and difficult to collect intact. (The rock is very hard. If the eudialyte survived blasting it more often than not crumbled before a specimen could be reduced to "splitter size".)

The only established eudialyte group member at STA is eudialyte. However it is possible that other members exist. Hence "eudialyte group".

Stereo child photo.
Photo ID: 185632     Uploaded by: Modris Baum   View Count: 602   Approval status: Public galleries    Type: Photo - 1024 x 737 pixels (0.8 Mpix)

E8M-QUXLondonite-Rhodizite Series, Tourmaline (Var: Rubellite) : A(D3)G6(T6O18)(BO3)3X3Z

Multiple photos available
Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

Dimensions: 36 mm x 20 mm x 30 mm

36 x 20 x 30 mm. The Londonite-Rhodizite crystal measures 14 x 8 mm.
Copyright: © Joseph A. Freilich, LLC      Photo ID: 140104     Uploaded by: Joseph Freilich   View Count: 436   Approval status: Public galleries    Type: Photo - 482 x 480 pixels (0.2 Mpix)

YD3-MJ9Boltwoodite : (K,Na)(UO2)[HSiO4]·0.5H2O, Calcite : CaCO3

New Method Mine, Amboy, Bristol Mts, San Bernardino Co., California, USA

Acicular spray of Boltwoodite with clear Calcite. Excellent for the locality. Field of view is 6mm. Self collected in 2007. In my collection. Photo of the Day - 8th Jul 2007
Copyright: © Michael Cline      Photo ID: 101919     Uploaded by: Michael D. Cline   View Count: 854   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

A7R-48GCavansite : Ca(VO)Si4O10·4H2O

Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

Picture width is 5mm. Nice Cavansite from the type locality.
Copyright: © Elmar Lackner      Photo ID: 75004     Uploaded by: Elmar Lackner   View Count: 627   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

0TC-YGDAnapaite : Ca2Fe2+(PO4)2·4H2O

Kerch peninsula, Crimea peninsula, Crimea Oblast', Ukraine

specimen 1.5cm in length
Copyright: © T. Kennedy 2001      Photo ID: 2330     Uploaded by: Tom Kennedy   View Count: 1290   Approval status: Public galleries    Type: Photo - 471 x 507 pixels (0.2 Mpix)

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