Navajo sterling silver and turquoise pendant and brooch

This appears to be a Navajo sterling silver and turquoise pendant and brooch characteristic of Native American Southwestern jewelry. The vibrant, oval-shaped turquoise stone features a dark, spiderweb or blotchy matrix which is a common characteristic of specific mines. Features Style: The piece exhibits the bold silversmithing and prominent stonework typical of Navajo jewelry. Unsigned , please see photos Stone: The turquoise has striking black or dark brown matrix veining, a pattern often referred to as a "spiderweb matrix". This type of matrix is found in high-quality turquoise from mines like Kingman, Bisbee, or Number 8 in Nevada. Metal: The metal is sterling silver, which is standard for authentic Southwestern turquoise jewelry. Design Details: The stone is set in a simple bezel and surrounded by a classic twisted wire, or "rope," detail, and possibly stamped silver designs along the edges. approximately 2.25"