Johnson - Navajo
100% solid silver won't tarnish but it is too soft to use for making jewelry - it could easily be scratched, dented and bent. Sterling silver has a small amount of one or more other metals usually copper, added to the silver. To be called sterling silver, the alloy must contain at least 92.5% pure silver. Sterling silver alloy is harder than pure silver but the added metals also can cause discoloration or tarnish. Read more about silver.
Turquoise is associated with the sky, and bringing sky energy to earth. It is known as a master healer stone as it is believed to help speed the healing process. It is also thought that turquoise can help promote honest and clear communication from the heart.
Turquoise comes in all shades of blue, to blue-green and it is the natural variations in turquoise that make it appealing. The color of turquoise in American Indian jewelry ranges from brownish green to bright blue. Found in veins sandwiched in between layers of mother rock, turquoise can show some of the influence of the mother rock in its matrix or veining. The matrix colors range from blue to golden brown to black and sometimes with golden flecks. Many people prefer turquoise with matrix over clear stones. Read more about stones.