Ekanite - Wikipedia
Ekanite is an uncommon silicate mineral with chemical formula Ca 2ThSi 8O 20 or (Ca,Fe,Pb) 2(Th,U)Si 8O 20. It is a member of the steacyite group. It is among the few gemstones that are …
Ekanite Value, Price, and Jewelry Information - Gem Society
2023年4月2日 · Everything you ever wanted to know about ekanite. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
Ekanite: Mineral information, data and localities.
Green in various shades, straw-yellow, dark red, colourless. Named in honor of Mr. Francis Leo Danvil Ekanayake, [1898, Negombo, Sri Lanka - 1971, London, UK], a gemmologist active at …
Ekanite：属性、用途、位置 » 地质科学
2024年7月1日 · Ekanite 是一种硅酸盐矿物，化学成分通常表示为 Ca2ThSi8O20Ca2 ThSi8 O20 。 它通常被发现为四方晶系，但由于钍的放射性衰变，它通常是变晶的，随着时间的推移会 …
Ekanite Gemstone: Properties, Meanings, Value & More
2023年10月31日 · Ekanite (pronounced EH-kuh-nyte) is a rare semi-precious gemstone known for its unique composition and optical effects. A possible simulant of ekanite is brazilianite, …
Ekanite : Properties, Uses, Locations » Geology Science
2024年7月1日 · Ekanite is a silicate mineral with a chemical composition typically expressed as Ca2ThSi8O20Ca2 ThSi8 O20 . It is often found as a tetragonal crystal system but is usually …
The Shape of Ekanite - GIA
Discusses the unusual surface characteristics of ekanite from secondary deposits in Sri Lanka.
埃坎石宝石：特性、含义、价值等 - Gem Rock Auctions
2023年10月31日 · 伊坎石是一种独特的绿色 宝石，在收藏家中广为人知。 伊坎石是最近才被发现的，最早发现于 20 世纪 50 年代。 这块宝石是少数具有天然放射性的宝石之一，十分独特。 …
Ekanite Mineral Data
Named for F.L.D. Ekanayake, of Colombo, Sri Lanka, sho discovered the mineral. Comments: Complex specimen of many minerals, most notable are four red ekanite crystals (rare!) …
Ekanite - The Gemology Project
Ocuurence Geological occurrence: Found as water worn pebbles; first in the gem-gravels of Sri Lanka. Also in glacial syenitic boulder. Geographical locations: Ehiliayagoda, near Ratnapura …