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elbaite crystals show the cat's eye effect in polished cabochons. Colorless: achroite variety (from Ancient Greek άχρωμος (ákhrōmos) 'colorless') Red or pinkish-red:...5 KB (321 words) - 21:46, 13 August 2024- Thomsonite Thaumasite Tinaksite Titanite (sphene) Topaz Tourmaline subgroup: Achroite (var.) Chrome (var.) Dravite Elbaite Fluor-liddicoatite Indicolite Olenite...13 KB (867 words) - 01:34, 24 August 2024
- 1940 HMT Achievable Nov 1939 Mine recovery vessel, returned Jan 1946 HMT Achroite Aug 1939 Minesweeper, returned 1945 HMT Acorn Nov 1939 Harbor service,...168 KB (82 words) - 22:26, 22 April 2024
bluish-green—indicolite variety (from indigo) Green—verdelite variety Colorless—achroite variety (from Ancient Greek άχρωμος (ákhrōmos) 'colorless') The most common...40 KB (3,209 words) - 03:20, 3 August 2024
Danburite 0.017 0.009 Herderite 0.017 0.008–0.009 Rubellite 0.017 0.008–0.009 Achroite 0.017 — Dravite 0.017 — Elbaite 0.017 — Indicolite 0.017 — Liddicoatite...60 KB (8,461 words) - 14:55, 19 August 2024
after name with year of building Aby (FD138), 1945 Abydos (GY73), 1905 Achroite (H81), 1934 Active (H191), 1892 Admiral Hawke (H476), 1937 Advanturine...39 KB (4,125 words) - 19:12, 22 December 2023
- ἀ- (a-, “not”) + χρώς (khrṓs, “color”), + -ite. achroite (countable and uncountable, plural achroites) (mineralogy) A colourless form of tourmaline Translations
- Occasionally, though rarely, the mineral is colourless, and is then known as achroite, a name proposed by R. Hermann in 1845, and derived from the Greek ἄχροος