Bannisterite Gallery

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Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	Broken Hill, Yancowinna Co., New South Wales, Australia An exceptionally rich specimen for the species with flat, stacked, platelike crystals on feldspar matrix. This is old material, and frankly difficult to find in any quality.Good lustre in person, too, so its not as ugly as it looks! 9.7 x 5.2 x 4.5 cm
© Rob Lavinsky	Photo ID: 41753 View Count: 643
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia A 2.0 by 1.3 cms group of black crystals with brown Bustamite. JSS specimen and photograph.
© JSS	Photo ID: 146440 View Count: 247
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia A 2.5 by 1.7 cms specimen of black crystals with brown Bustamite. JSS specimen and photograph.
© JSS	Photo ID: 146436 View Count: 127
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia Black plates of bannisterite, chemically related to ganophyllite, eggletonite and tamaite. The central-right, somewhat bended plate, is ~ 0.85 mm wide. Jarek Skupniewski (Paleonet) specimen - thanks!
© Ł Kruszewski 08	Photo ID: 191111 View Count: 80
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O, Rhodonite : MnSiO₃, Calcite : CaCO₃
	Zinc Corporation Mine (ZC Mine; NBHC Mine), Broken Hill, Yancowinna Co., New South Wales, Australia Bannisterite with calcite and rhodonite. Specimen is from the collection of Albert Chapman (1973). Scale at bottom of image is an inch with a rule at one cm.
	Photo ID: 223383 View Count: 40
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	Zinc Corporation Mine (ZC Mine; NBHC Mine), Broken Hill, Yancowinna Co., New South Wales, Australia This is an outstanding well crystallized example of this rare phyllosilicate. The specimen consists of a complex black lustrous crystal grouping of bannisterite measuring 5.1 x 3.7 x 1.7 cm in size overall. Complete all around and very clean of damage - superb for the species! Ref.: Minerals of Broken Hill, Australian Mining & Smelting Ltd, 1982.
© Dan & Diana Weinrich Minerals	Photo ID: 265457 View Count: 13
Bannisterite : Ca_0.5(K,Na)_0.5(Mn,Fe,Zn)₁₀(Si,Al)₁₆O₃₈(OH)₈·5.5H₂O
	Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA Bannisterite - a 2 x 1.5 cm dark brown platy aggregate from Franklin, New Jersey. See additional photo.
© Christopher O'Neill	Photo ID: 156928 View Count: 203