Lemurian blue onyx sphere 3.25 in Rosetta lace agate was actually

Rosetta lace agate was actually the first ever mined pieces of Crazy lace mined in the 1950’s

deep purple color

but some appear to be a soft iron oxide material similar to limonite or hematite

royal blue tectosilicate mineral—often veined with white calcite—known for its association with logic

Lemurian blue onyx sphere 3.25 in Rosetta lace agate was actuallyLemurian blue onyx sphere. 82mm or 3. 25" approximately. 1lb 10ozs. Lemurian Blue Onyx, formally known as Lemurian Aquatine Calcite, is a rare blue green variety of calcite found in Argentina. Often marketed as "Blue Onyx" or "Argentinian Blue Onyx" for its banded appearance, this soft, translucent stone is used in spiritual healing for emotional calming and is not a true onyx.