Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Actinolite from
Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime Prefecture, Japan


08308990017370488207416.jpg
Actinolite

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
02020690017370488215190.jpg
Actinolite, etc.

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
02713960017271921174184.jpg
Actinolite

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
06693040017272046762416.jpg
Actinolite, etc.

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
04579120017272046774806.jpg
Actinolite

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
06693040017272046762416.jpg
Actinolite, etc.

Irazuyama, Doi, Shikokuchuo City, Ehime Prefecture, Japan
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Talc1
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime Prefecture, Japan
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:288954
Long-form Identifier:1:3:288954:2
GUID (UUID V4):0
References
Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
 
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