Abrecht, J., Biino, G.G., Mercolli, I., and Stille, P. (1991) Mafic-ultramafic rock associations in the Aar, Gotthard and Tavetsch Massifs of the Helvetic domain in the Central Swiss Alps: markers of ophiolitic pre-Variscan sutures, reworked by polymetamorphic events? Schweizerische mineralogische und petrographische Mitteilungen: 71(2): 295-300.

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	*Tait, Kimberly (2012) Gems and Minerals: Earth Treasures from the Royal Ontario Museum. 256pp.*	Book
	the minerals form in very thin sheets. from a central point like the spokes of awheel. ...cm Ye 4m Quartz (smoky variety), St. Gotthard, Ticino, Switzerland « 4x 8 x 5 om MINERALS: PRODUCTS...13 x 6.5 x 4om Four Cleavage Planes Copper, Central Mine, Michigan, USA 7x Wx 4em Stibnite, Ichinokawa...Probably the most common magnetic mineral is magnetite, an iron oxide that owes its name to its characteristic...British Columbia, Canada * 7.5 x 1.5 x 75 cm Europe: St. Just and Redruth, Cornwall, England; Dognacska (Dognecea)
	*(2009, February 3rd) The Kevin Ward Mineral Collection. Catalog. Superior Galleries*	Catalog/List
	; a» NATIVE GO Pon Nugget nada a Newfoundland. Ca St. Pm \ — NR Rare Native without a Gold doubt...as Value Gold Mine, Pond Nugget 7 cm , by ; St. , John’s, Newfoundland, 5 cm $18,000 20,000...Collection. -» PYRARGYRITE on CALCITE... \|. Samson Mine St. Andreasberg. Harz.Germany Pyrargyrite Crystals...origi made, labeled base From the Samson Mine, St. Andreasberg, Harz, Germany; by 6.6 cm by 4.4 cm...pristine. Valley, Central St. Gotthard Massif, Circa Ex Ticino, Switzerland, by 8.3 cm Wilson
	*(2019, August 26th) The Rock H. Currier Collection of Fine Minerals. Heritage Nature & Science Auction* 5445. Heritage Auctions**	Catalog/List
	rarely seen, extremely ine, specimens from the Mammoth-St. Anthony Mine of Tiger, Arizona: now a vanished place...........................................167 Switzerland ...............................................72022 Smithsonite & Hydromagnesite Mammoth-St Anthony Mine, St. Anthony Deposit, Tiger, Mammoth District...from Ralph Dietz.” - Rock H. Currier The Mammoth-St. Anthony Mine at ‘Tiger’ is legendary for being the...$250 72023 Azurite & Malachite Mammoth-St Anthony Mine, St. Anthony Deposit, Tiger, Mammoth District

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Magnetite from Central St Gotthard Massif, Leventina, Ticino, Switzerland

Magnetite from
Central St Gotthard Massif, Leventina, Ticino, Switzerland