mineraloid
11List of minerals (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association (IMA) is the international group that recognises new minerals and new mineral names. However, minerals discovered before 1959 did not… …
12Obsidian — For other uses, see Obsidian (disambiguation). Obsidian Obsidian from Lake Cou …
13Chert — For the Spanish municipality, see Xert. Chert Chert (  / …
14Whitby — infobox UK place country = England official name= Whitby latitude = 54.4858 longitude = 0.6206 civil parish = Whitby population = 13,594 (2001 census) shire district = Scarborough region = Yorkshire and the Humber shire county = North Yorkshire… …
15Anthracite — (Greek Ανθρακίτης, literally a type of coal , from Anthrax [Άνθραξ] , coal) is a hard, compact variety of mineral coal that has a high lustre. It has the highest carbon count and contains the fewest impurities of all coals, despite its lower… …
16Rock (geology) — In geology, rock is a naturally occurring aggregate of minerals and/or mineraloids.The Earth s outer solid layer, the ‘lithosphere’, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic. The… …
17List of rock types — This page is intended as a list of all rock types. NOTOC A : Amphibolite: Andesite: Anorthosite : Anthracite: Aplite: Argillite: Arkose B : Banded iron formation: Basalt: Basanite: Blueschist: Boninite: Breccia C : Carbonatite: Cataclasite: Chalk …
18Fulgurite — Fulgurites (from the Latin fulgur meaning thunderbolt) are natural hollow carrot shaped glass tubes formed in quartzose sand or soil by lightning strikes. Fulgurites can also be produced when a high voltage electrical distribution network breaks… …
19Mount Thielsen — s eroded crater from Diamond Lake Elevation 9,184 ft …
20Clinoclase — A sample of clinoclase General Category Arsenate minerals Chemical formula …
