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Clinozoisite: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)
Comments: Light pink stellate crystal cluster of clinozoisite. Location: Sunnyside mine, Silverton District, San Juan County, Colorado, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Brown, prismatic crystal of clinozoisite. Location: Alchuri, Shigar Skardu district, Pakistan. Scale: Crystal size 7x2.3x1.2 cm. © Fabre Minerals
Clinozoisite-(Sr): CaSrAl3(Si2O7)(SiO4)O(OH)
Comments: Boulder consisting of prehenite, diaspore, chlorite and niigataite. The pale lavender is prehenite/diaspore and the very pale green is chlorite/niigataite.. Location: Itoigawa, river Kazuo, Niigata prefecture, Japan. Scale: Specimen size 19cm x 16 cm. © American Mineralogist
Comments: Backscatter electronic image of niigataite (bright) which is partially replacing a chlorite (med gray) grain in a diaspore (dark gray, rod-shaped) and prehenite (light gray) matrix. Location: Itoigawa, river Kazuo, Niigata prefecture, Japan. Scale: Picture size 5 mm. © American Mineralogist