Pyrochlore
Origin: Tatarka River, Yenisejkij-Kryazh, Krasnojarskij-Kraj, Russia
Sample size: 4 x 4 x 3.5 cm (top/2nd row), 10.1 x 10 x 10 cm (bottom)
Origin: Vishnevogorsk, Chelyabinsk Oblast, Russia
Sample size: 3.5 x 3 x 1.7 cm (top/2nd/3rd row), 7.7 x 5.8 x 3.0 cm
(4th/bottom row)
Origin: Vishnevogorsk, Chelyabinsk Oblast', Russia
Sample size: 2.5 x 5.5 x 2.5 cm
Origin: Tatarskoe deposit, Tatarka River, Yeniseyskiy Kryazh, Krasnoyarskiy
Kray, Siberia, Russia
Sample size: 5.2 x 5 x 5 cm (top), 5.5 x 6.2 x 6.3 cm (bottom)
Origin: Lauzon Farm, Oka, Quebec, Canada
Sample size: 3.9 x 2.9 cm specimen with several deep brownsih black crystals
of pyrochlore to 0.9 cm across (top), 2 x 1.4 cm specimen with two octahedral
crystals of jet black pyrochlore to 0.9 cm across (bottom)
John Veevaert, Trinity Mineral Co
Origin: Myeba, Tonganyika, Kenya
Erling Collection
Sample size: 7 mm crystal
Origin: Vishnevogorsk, Urals, Russia
Sample size: 3 x 2 x 1.5 cm, crystals to 2 mm