Origin of your Samples: Sault Ste. Marie, Ontario Uses: Basalt is crushed and used as crushed stone, concrete aggregate and railroad ballast. Basalt fibres are used in the production of high quality textile fibres, floor tiles, basalt plastic reinforcement bars, basalt fibre roofing felt and glass wool (fibre glass).
Aragonite: Mineral information, data and localities.
Aragonite Group. The Ca analogue of strontianite. The principal member of the Aragonite Group, aragonite is the second most common polymorph of natural calcium carbonate (the most common is calcite) is significantly less widespread and abundant than calcite and is formed under a much narrower range of physiochemical conditions.
Bluestone is a cultural or commercial name for a number of dimension or building stone varieties, including: . basalt in Victoria, Australia, and in New Zealand; dolerites in Tasmania, Australia; and in Britain (including Stonehenge); feldspathic sandstone in the U.S. and Canada; limestone in the Shenandoah Valley in the U.S., from the Hainaut quarries in Soignies, Belgium, and from quarries ...
Etymologie und Geschichte. Die wahrscheinlich erste Erwähnung des Minerals, welches heute als Korund bekannt ist, stammt von Plinius dem Älteren.Im 37. Buch seiner Naturalis historia berichtet er von Adamas siderites, bei dem es sich sehr wahrscheinlich um Korund handelt.. Der Name Korund stammt von tamilischen குருந்தம் kuruntam ab, welches seinerseits mit Sanskrit ...
In mid-October, over 130 mineral collectors from several northeast states and Canada converged on Walworth Quarry in upstate New York for the annual fluorite hunt. Every May, the same crowd treks to Penfield, NY when The Dolomite Group opens that quarry to folks hoping to score a nice transparent-purple fluorite or maybe some dogtooth calcite.
Smectite Group: Mineral information, data and localities.
Ontario ⓘ Bancroft area [Vermiculite] Grice, Joel D. (1989) Bancroft: the Mineral Capital of Canada. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages, 92-99; 162-165. Lanark County
Prehnite: Mineral information, data and localities.
Chakhmouradian, A. R. & Medici, L. (2006): "Clinohydroxylapatite: a new apatite-group mineral from northwest Ontario (Canada), and new data on the extent of Na-S substitution in natural apatites", European Journal of Mineralogy 18, 105-112
List of places with columnar jointed volcanics - Wikipedia
Columnar jointed volcanic rocks exist in many places on Earth. Perhaps the most famous basalt lava flow in the world is the Giant''s Causeway in Northern Ireland, in which the vertical joints form polygonal columns and give the impression of having been artificially constructed.