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Ekanite - Gemstone
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Ekanite

description Ekanite Overview

Ekanite is a rare thorium-bearing calcium silicate mineral with the ideal formula Ca2ThSi8O20. It was first found in the Ratnapura area of Sri Lanka and is named for Sri Lankan gemmologist Francis Leo Danvil Ekanayake. Ekanite is usually green but can also be straw-yellow, dark red, or colorless, and its thorium content makes it radioactive. Radiation damage commonly leaves specimens metamict, meaning their crystal structure has been partly disrupted.

([Mindat](https://www.mindat.org/min-1361.html))

help Ekanite FAQ

How good is Ekanite?
Ekanite scores 4.20/10 (Poor) on Lunoo, making it rated in the Gemstone category. Rare mineralogical curiosity, but radioactivity, metamict structure, and limited gem use strongly reduce desirability.
What are the best alternatives to Ekanite?
See our alternatives page for Ekanite for a ranked list with scores. Top alternatives include: Pumpellyite, Zoisite, Euclase.
How does Ekanite compare to Pumpellyite?
See our detailed comparison of Ekanite vs Pumpellyite with scores, features, and an AI-powered verdict.
Is Ekanite worth it in 2026?
With a score of 4.20/10, Ekanite is a solid option in Gemstone. See all Gemstone ranked.

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