Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK

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Baryte : BaSO₄, Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Bladed barite crystals to 5mm with calcite. Steve Rust photo & collection
© Steve Rust	Photo ID: 1747 View Count: 530
Baryte : BaSO₄, Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Area of shot 4x4cms. Pinkish bladed crystals of barite partly coated by acute rhombic crystals of calcite.
© Steve Rust	Photo ID: 15049 View Count: 389
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Doubly terminated twinned scalenohedrons formed from generational stacks of lenticulated crystals. 8cm X 5cm X 7.5cm
© Geoffrey Krasnov	Photo ID: 87861 View Count: 122
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Calcite cleavage (45mm) showing multiple growth phases, some delineated by red hematite and yellow goethite. Ian Jones collection, collected 2000.
© Ian Jones	Photo ID: 7240 View Count: 409
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Flattened rhombs heavily included with iron oxide. 7cm X 4.5cm X 4cm
© Geoffrey Krasnov	Photo ID: 87862 View Count: 124
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Calcite crystals to 2.5cms.
© Steve Rust	Photo ID: 1749 View Count: 457
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Yellow to reddish calcite crystals on plate of matrix. The crystals are well defined with slight growth pattern striations on the surface. Selective faces have reddish color, probably due to inclusions (hematite?). No damage. Overall size of mineral specimen: 8x5x3 cm. Size of individual crystals: 5-10 mm.
© 2001 John H. Betts	Photo ID: 536 View Count: 392
Calcite : CaCO₃, Goethite : α-Fe³⁺O(OH)
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Calcite crystal, 60mm, on a bed of goethite. Ian Jones collection, collected 1997.
© Ian Jones	Photo ID: 11685 View Count: 384
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK Matrix coated completely on one side with amber-colored, scalenohedral calcite crystals. The calcite crystals have a reddish color on the terminations due to minute hematite inclusions. No damage. Overall size of mineral specimen: 8x4x4 cm. Size of individual crystals: 3-8 mm.
© 2002 John H. Betts	Photo ID: 4660 View Count: 354
Calcite : CaCO₃
	Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK I collected this piece on my first field collecting trip in the UK, in early June of 2000. The calcite crystal is a twin with hematite inclusions measuring 30 X 35 mm. The entire specimen measures 80 X 70 mm.
	Photo ID: 184523 View Count: 90