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Tetragonal Crystals

Wulfenite 1.jpg Wulfenite 2.jpg Dipyramidal cassiterite crystal, 2 cm, Burma Scapolite (probably meionite) crystals to 5 cm in length, from Bear Lake, Litchfield, Quebec, Canada.
Fluorapophyllite, doubly terminated 11.5 cm crystal, Maharashtra, India Apophyllite, 47 mm doubly terminated lustrous blue-green crystal on stilbite. Yeola, Nasik, Maharashtra, India. Found August 200 Doubly terminated apophyllite, 45 mm, Jalgaon, India. Short prismatic apophyllite crystal with pinacoids, 1 cm, N'Chwaning, South Africa.
Apophyllite Apophyllite, 42 mm, NChwaning Zircon, dipyramid, 2 cm on edge. Lovozero Massif, Kola Peninsula, Murmanskaja Oblast, Russia. Zircon, 14 mm colourless crystal. Tvedalen, Larvik, Vestfold, Norway.
Vesuvianite (Wiluite), 1 cm, Yakutia Russia. Vesuvianite, 38 mm stubby prism with grossular to 1 cm. Lago Jaco, Chihuahua, Mexico. Scheelite in superbly lustrous gem blue crystal on 7 cm matrix of quartz and calcite. Baia Sprie, Romania. Doubly terminated sharp powellite crystal (36 mm) with stilbite on chalcedony, Jalgaon, Maharashtra, India
Crystal model for a rutile crystal from Zagi Mountain, Pakistan Anatase crystal from the Bing Valley, Valais, Switzerland Screenshot 2023-09-24 at 4.49.05 PM.png Screenshot 2023-09-24 at 4.49.31 PM.png
Anatase from Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, about 2 mm across Crystal model for Prenteg anatase Anatase on albite, Hendre Quarry, Glyn Ceiriog, Denbighshire, 40 mm x 20 mm x 15 mm