Varying blue hues and matrix colors for these natural Stone Mountain Turquoise cabochons nvctadmin Blog, From the Lapidary Shop Comments Varying blue hues and matrix colors for these natural Stone Mountain Turquoise cabochons Left to right 1. $8 for 3.0 carats 2. $10.50 for 3.9 carats 3. $10.50 for 3.9 carats 4. $10 for 3.5 carats 5. $5.50 for 2.4 carats All for $39