Gabbro is a coarse-grained, dark colored, intrusive igneous rock that contains feldspar, pyroxene and sometimes olivine. The specimen shown above is about two inches (five centimeters) across. Obsidian is a dark-colored volcanic glass that forms from the very rapid cooling of molten rock material.
The Most Drawn Numbers in Keno. These are the 5 hot numbers (often drawn): 23, 34, 72, 1 and 4. Most frequent state draws numbers to the numbers that have come out quite often in the last 50 draw are 3, 16, 44, 58 and 78. As much drawn numbers a gambler has his tickets, as much he will collect. The maximum of drawing numbers is 20, but actually, no one hit 10 out of 20 numbers ever (and is not possible).
The numbers on the card (1 through 80) match the numbers on balls in the aerated keno machine. Certain places or lotteries have different versions of their cards. Some have special bonus or jackpot cards, in addition to their regular cards. Ask if more than one type is available.