Pegmatite vein No. 8, Dolní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Columnar pink to brown andalusite (differs in chemical composition) in orthoclase. Roof of pegmatite vein No. 8. Geological pick as a scale.
© Jakub Jirásek, 2012
Giant schorl crystal in the wall of mine in pegmatite vein No. 8. Photo taken by Ondra Stískal during summer expedition of Geological Youth Club (kamenet.cz). August 2014.
© Ondřej Stískal
Aggregate of black prismatic schorl crystals in quartz and orthoclase. Pegmatite vein No. 8. Geological pick as a scale.
Prismatic schorl and andalusite in granitic pegmatite (vein No. 8). Size 12×9 cm, collection of author.
© Jakub Jirásek, 2013
Aggregate of black prismatic schorl crystals in orthoclase and quartz. Pegmatite vein No. 8. Geological pick as a scale.
Aggregate of black prismatic schorl crystals in orthoclase. Pegmatite vein No. 8. Geological pick as a scale.