(aq) refers to aqueous, which means: in water. In your case, you have Ba(OH)2 in solution in water http://en.wikipedia.org/wiki/Aqueous. As for your search on Google, just try anything that works. Internet is a wild untamed land where order and rigorous classification do not apply. Wikipedia is usually a good start.
/bÉËsÉËlt/ , /ËbaesÉlt/ , /ËbÃ¦sÉlt/ , ËbaesÉËlt /ËbÃ¦sÉËlt/) or ËbeÉªsÉËlt is a common (extrusive) igneous volcanic rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet. Or moon flood basalt describes the formation in a series of lava. basalt flowsy definition, basalt is an aphanitic igneous rock with less than 20% quartz and less than 10% feldspathoid by volume, and where at least 65% of the feldspar is in the form of plagioclase.
Basalt is an igneous volcanic rock that is basically molten lava that has solidified under intense heat and pressure. Basalt can be any color from grey to black. Basalt is also known as Lava Rock. Since basalt is formed from molten lava, and molten lava was once rock that is heated so much it was liquid, you can only imagine the strength, fire and power contained within basalt! Basalt is also known as lava rock. Basalt is a stone of strength and courage, it allows one the opportunity for stability throughout changes in their life. If you are going through a lot of shifts in your life then basalt would be a helpful stone for you.