Browse dictionary
Showing 1-20 of 629 results in 629 entries
1. abichite, n. View full entry 1850
...= clinoclaseclino-1....
2. acervate, adj. View full entry 1846
...Heaped; growing in heaps or closely compacted clusters....
3. acicle, n. View full entry 1852
...= acicula...
4. acidic, adj. View full entry 1868
...Chiefly Geol. Of a chemical element: that combines with oxygen or sulphur to form a salt or salt-like compound with a basic element. Cf. acidific2....
5. actinoid, adj. and n.1 View full entry 1846
...Designating polyps (corals and anemones) of a kind resembling or typified by the genus Actinia, having the internal cavity divided by radial partitions (formerly classified in a group Actinoida...
6. adamantoid, n. and adj. View full entry 1850
...Crystallogr. A polyhedron bounded by forty-eight equal scalene triangles; = hexoctahedronb. Now disused....
7. aegirite, n. View full entry 1868
...= aegirine...
8. aenigmatite, n. View full entry 1868
...A titanium-containing mineral occurring as long prismatic crystals of a black or dark brown colour, typically as a constituent of pegmatites....
9. † aggregato-, comb. form View full entry 1846
...Forming adjectives with the sense ‘aggregately, in an aggregate manner’, as aggregato-gemmate, aggregato-glomerate....
10. ainalite, n. View full entry 1868
...A variety of cassiterite containing iron and tantalum....
11. alabandite, n. View full entry 1868
...A grey mineral of metallic appearance, consisting of manganese(ii) sulphide and typically occurring as cubic or octahedral crystals....
12. allemontite, n. View full entry 1850
...A greyish-white mineral containing antimony and arsenic, later regarded as identical with or containing stibarsen....
13. alloclasite, n. View full entry 1868
...A rare mineral consisting of a sulphide and arsenide of iron and cobalt (often with other metals), typically occurring as aggregates of slender, steel-grey crystals....
14. † allogonite, n. View full entry 1844
...A mineral now identified with herderite....
15. allomorphism, n. View full entry 1845
...Change of crystal form without change in chemical composition; the existence or occurrence of allomorphs (allomorph)....
16. allopalladium, n. View full entry 1868
...A silver-grey mineral containing palladium and other elements, originally thought to be an impure allotrope of palladium and now identified with stibiopalladinite....
17. ammiolite, n. View full entry ?a1868
...A scarlet earthy powder found in Chile, classed by Dana among the Anhydrous Antimonates, containing also copper and mercury....
18. amoibite, n. View full entry 1837-68
...A mineral, classed as a variety of Gersdorffite, or Nickel glance....
19. amphigenite | amphigenyte, n. View full entry 1868
...Name sometimes given to a lava containing much ‘amphigene’ or leucite....
20. amphilogite, n. View full entry ?a1868
...A mineral of doubtful or disputed character, according to Dana, ‘probably only a mica schist’....
