Blog: Ornamental and organic gems
Diamonds and gemstones: guides to choosing, treatments, care and gemmological news.
4 articles in category “Ornamental and organic gems” · reset filters
Amber, copal and imitations: why an insect is not proof
Amber is fossilised resin. Clarify material and inclusions without destructive home tests.
Lapis lazuli: blue, calcite and sparkling pyrite
Lapis lazuli is a rock containing several minerals. Appreciate its pattern and understand why golden flecks are not gold.
Natural, stabilised or imitation turquoise: reading the offer
Turquoise may be treated, and other materials imitate it. Learn what a complete description should contain.
Jade: jadeite, nephrite and questions about treatments
Jade covers commercially related but mineralogically different materials. Read descriptions carefully and ask about treatments.
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