A group of minerals consisting of hydrous magnesium silicate, or rock largely composed of these minerals; commonly occurs in greenish shades; used for decorative stone; the prominent constituent in some commercial marbles.
An early 24-pounder gun, usually decorated with serpents.
Series of half circles and straight lines crossing from one side of the centerline to the other, requiring a change of direction each time the horse passes over it.
A group of minerals, most commonly occurring in metamorphic rocks. 619.
