La Orotava, Tenerife, Santa Cruz de Tenerife Province, Canary Islands, Spain

A sharp, euhedral, complete, brownish-green augite crystal. 4.4 x 3.0 x 2.3 cm

© Rob Lavinsky & irocks.com

Specimen 5x3x2 cm February 2011

© Photo & Collection of Martins da Pedra

Small cluster of black augite crystals with no matrix. Complete and undamaged. Ex. A. Stevenson collection #212b. Overall size of mineral specimen: 13x7x6 mm. Size of individual crystals: 2-5 mm.

© 2002 John H. Betts

A 7 cm icicle just outside a fumarole at about 3500 msl. The vapours of water also keep a very local and specialized flora alive. Photo taken 23 December 2008.

© Peter Andresen

Sulfur samples coming from the crater (El Pilon de Azucar) of the volcano Teide in the form of crystals crust. Specimen collected in the 50s of last century

Confirmed via Raman and EDX - clear result -> Gute Übereinstimmung, Bestätigung durch EDX (Epidot-dominanter Mischkristall mit Klinozoisit). 28.291433, -16.554348

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The small crater on top of Teide stratovolcano, measuring a few tens of meters in diameter. Whitish and yellowish colours are due to sulphur precipitates from gases emerging from fumaroles. David Soler photo, 2002.

© David Soler

Teide peak, 3718 m, as seen from Las Cañadas caldera (2000 m above sea level. David Soler photo, 2002.

© David Soler

The trail to Teide peak summit (permission required by National Park service) climbs through lava flows of blocks. They are mainly composed of obsidian and scoria. David Soler photo, 2002.

© David Soler

A small fumarole, about 20 cm in diameter, located near the upper station of the Teide cablecar (elevation about 3500 m). Note yellow coating due to sulphur precipitates. David Soler photo, 2002.

© David Soler

Mt Teide in the back ground, with the tourist site Roque Mendez in front. Roque Mendez is part of a dike system with phonolitic rocks in the older crater, while Mt Teide is a much younger strato-volcano. Picture taken 22 December 2008.

© Peter Andresen

View over the old caldera rim seen from the top of teide. The guide told us that some time ago ( She did´nt say the year) so lets say Xtime ago, a large part of the Island (Tenerife) was sliding into the sea. At that time my thought was how could anyone tell. I did not say anything at the time. Later when I saw a 3D model of the Island in the ...