The stone spans from blue to green in color. Occasionally, a dark, spiderweb likeness, known as a "matrix", can be found on the stone. Turquoise is mined in Iran, New Mexico, Arizona ...

What is spiderweb turquoise? Turquoise by nature contains blotch with dark spots or veins of the matrix (a remnant of its surrounding rock) running through them to form web-like patterns.

Turquoise stones from the blue and green master ... clear as a cloudless summer sky or laced with a spiderweb pattern of host rock, or matrix. Preferences have varied by region and change over ...