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Apophyllite: KCa4(Si4O10)2F·8(H2O) Apophyllite-(KOH): KCa4Si8O20(OH,F)·8(H2O) Stilbite-Ca: NaCa4[Al8Si28O72]·n(H2O) (n=28-32)
Comments: 3 cm. pink-colored rosette of stilbite and clear "apophyllite" (probably hydroxyapophyllite) in an amygdaloidal cavity. Location: Aurangabad District, Jalgaon, India. Scale: Specimen size 6 cm. © Dave Barthelmy
Apophyllite: KCa4(Si4O10)2F·8(H2O)
Comments: Mint green to clear apophyllite flat top crystals in a circular stellate cluster on pink stilbite. Location: Rahuri, Maharashtra State, India. Scale: Specimen size 10 cm. © Kevin Ward
Apophyllite: KCa4(Si4O10)2F·8(H2O) Kinoite: Ca2Cu2Si3O8(OH)4
Comments: Crystals of dark blue kinoite and clear apophyllite. Location: Christmas Mine, Gila County, Arizona, USA. Scale: Crystal size 2.5 mm. © John Veevaert
Apophyllite-(KF): (K,Na)Ca4Si8O20(F,OH)·8(H2O) Stilbite-Ca: NaCa4[Al8Si28O72]·n(H2O) (n=28-32) Apophyllite: KCa4(Si4O10)2F·8(H2O)
Comments: Doubly terminated, very clear and perfect fluorapophyllite with white stilbite. Location: Jalgaon, India. Scale: 4 x 3.5 cm. © Fabre Minerals
Apophyllite-(KOH): KCa4Si8O20(OH,F)·8(H2O) Apophyllite: KCa4(Si4O10)2F·8(H2O)
Comments: Crystal cluster of tabular hydroxyapophyllite. Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2.5 x 2.3 cm. © John Veevaert
Apophyllite-(NaF): NaCa4Si8O20F·8(H2O)
Comments: Pale pink opaque blocky crystal natroapophyllite aggregate. Location: Boghil Quarry, Glengormley, Newtownabbey, County Antrim, Northern Ireland. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species