Mineral
Green Tree Agate
Agate (SiO2)
Hardness of 6.5-7 on the Mohs scale. Microcrystalline quartz. Color is typically white with green, dendritic (tree-like) inclusions. Luster is vitreous to waxy. No cleavage. Specific gravity is 2.58-2.64.
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Physical properties
Hardness of 6.5-7 on the Mohs scale. Microcrystalline quartz. Color is typically white with green, dendritic (tree-like) inclusions. Luster is vitreous to waxy. No cleavage. Specific gravity is 2.58-2.64.
Formation & geological history
Formed as nodules in volcanic rocks or ancient lavas, in former cavities produced by volatiles in the original molten mass.
Uses & applications
Commonly used in jewelry, cabochons, beads, and as an ornamental stone. Also collected for its believed metaphysical properties.
Geological facts
Tree Agate is not banded like typical agates, but gets its name from the green, dendritic patterns that resemble foliage or tree branches.
Field identification & locations
Identify by its distinctive white base color with green 'foliage' patterns. Found globally, significant deposits are in India, Brazil, Uruguay, and the USA. Collectors look for well-defined patterns and a good polish.
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![Green Apatite on Albite (Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]) — mineral](https://media.rockidentification.com/2391a63f-fb20-47d5-af9a-2035851eb32e-thumbnail.jpg)
Green Apatite on Albite
Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]
mineral