Dendritic agate is a whitish-gray or colorless chalcedony with tree- or fern-like markings known as dendrites. The dendrites in dendritic agate are iron or manganese inclusions, usually brown or black in color. Though they appear organic due to their fern-like structure, they are actually inorganic; they are formed at fine fracture surfaces through crystallization of weathered solutions of neighboring rock.

Dendritic agate is a whitish-gray or colorless chalcedony with tree- or fern-like markings known as dendrites. The dendrites in dendritic agate are iron or manganese inclusions, usually brown or black in color. Though they appear organic due to their fern-like structure, they are actually inorganic; they are formed at fine fracture surfaces through crystallization of weathered solutions of neighboring rock.

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Dendritic Agate

Dendritic Agate

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Atransluscent oval of dendritic agate. If you're ever in D.C. stop in at the Smithsonian Gem Gallery - it is unbelievable.

Atransluscent oval of dendritic agate. If you're ever in D.C. stop in at the Smithsonian Gem Gallery - it is unbelievable.

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Dendritic Quartz. reminds me of tree agate! only golden and black instead of white and green. like the autumn version of tree agate ^_^

Dendritic Quartz. reminds me of tree agate! only golden and black instead of white and green. like the autumn version of tree agate ^_^

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A personal favorite from my Etsy shop https://www.etsy.com/ca/listing/498118845/dendritic-agate-sterling-silver-ring

A personal favorite from my Etsy shop https://www.etsy.com/ca/listing/498118845/dendritic-agate-sterling-silver-ring

Dendritic Agate Rough 475 Gr

Dendritic Agate Rough 475 Gr

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