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Actinolite, Epidote, Albite, Axinite-(Fe)


Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2, Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7], Albite : Na[AlSi3O8], Axinite-(Fe) : Ca2Fe2+Al2[OH|BSi4O15]

Photo Copyright © 2005 Jake Harper www.earthquestminerals.com USA  - This image is copyrighted. Unauthorized reproduction prohibited.
A choice cabinet specimen of fibrous Actinolite measuring 10 X 12.5 cm. with individual fibers reaching 15 mm.
This very dense grouping of Actinolite fibers causes an undulating, chatoyant "wave" effect
when rotated in the hand.
The matrix consists of a thick plate of crystalline green Epidote with prismatic
crystals to 4 mm.
Minor Ferro-Axinite and small, gemmy Albite crystals are also present.

Reference:
The Mineralogical Record, Volume 13, Number 5
Pages 293-302. Jake and Dana Harper collection and photo.

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