Let's review. An ephelis, or freckle, is a type of macule, which is a small (up to 1cm in diameter), circumscribed, flat, and thus nonpalpable change in the pigmentation of the skin. By nonpalpable, I mean you can't feel it. Or more specifically, you can't feel any difference between it and the surrounding 'normal' skin.
The troy ounce is the standard silver price that you see on the t.v. 1 troy ounce = 31.1034768 grams or 1.09714 U.S. Ounces. It is usually just referred to as an oz.
The spot price of silver refers to the price per troy ounce traded on various Commodity Exchanges; it is updated every second during market hours. The troy ounce has been the standard measurement for precious metals since the 1800s in the US and much longer in other parts of the world.he spot price of silver refers to the price per troy ounce traded on various Commodity Exchanges; it is updated every second during market hours. The troy ounce has been the standard measurement for precious metals since the 1800s in the US and much longer in other parts of the world.