Sylvia RoseJun 124 minRuby, Rubies: Passion, Blood and FireRuby is one of the five cardinal gems, together with diamond, amethyst, sapphire and emerald. From bright pink to deep blood red,...
Sylvia RoseMar 254 minJet Black - Ancient World GemstonesJet black describes a rich dark black, or the blackest black of all, as in jet-black hair. An ancient painter's pigment, jet is also...
Sylvia RoseMar 33 minChalcanthite: Crystal Blue ExplosionChalcanthite is a brightly colored blue-green copper sulfate mineral. Its name comes from ancient Greek χαλκός (khalkós) 'copper', and...
Sylvia RoseFeb 144 minSteatite (Soapstone) - Ancient World Steatite or soapstone is a metamorphic talc rock used in carving for thousands of years. A medium-grained rock, or schist, soapstone is a...