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Gem Lore

Fire Opal, Furnace and Fate: How a Volcanic Stone Left the Alchemist's Cabinet

Fire Opal, Furnace and Fate: How a Volcanic Sto...

Fire opal's real history is a modern story of volcanic geology, fragile material, classification, and trade — not an ancient esoteric tradition for the orange variety.

Fire Opal, Furnace and Fate: How a Volcanic Sto...

Fire opal's real history is a modern story of volcanic geology, fragile material, classification, and trade — not an ancient esoteric tradition for the orange variety.

Marcasite Jewellery and the Survival Bias of the Everyday

Marcasite Jewellery and the Survival Bias of th...

How marcasite jewellery became a silver-set iron pyrite tradition and what its fragmentary records reveal about elite survival bias, trade naming and everyday material culture.

Marcasite Jewellery and the Survival Bias of th...

How marcasite jewellery became a silver-set iron pyrite tradition and what its fragmentary records reveal about elite survival bias, trade naming and everyday material culture.

Tiger's Eye Before the Tiger: The Many Names of a Stone That Had to Be Rediscovered

Tiger's Eye Before the Tiger: The Many Names of...

How tiger's eye acquired its modern name and market. A history of southern African deposits, colonial mineral trade, lapidary workshops, and why the stone has no ancient pedigree.

Tiger's Eye Before the Tiger: The Many Names of...

How tiger's eye acquired its modern name and market. A history of southern African deposits, colonial mineral trade, lapidary workshops, and why the stone has no ancient pedigree.

Watermelon Tourmaline and the Manufacture of Imperial Authority in Qing China

Watermelon Tourmaline and the Manufacture of Im...

Watermelon tourmaline is a modern name. This historical study examines how tourmaline became a material of Qing court rank, trade, and imperial display.

Watermelon Tourmaline and the Manufacture of Im...

Watermelon tourmaline is a modern name. This historical study examines how tourmaline became a material of Qing court rank, trade, and imperial display.

Moss Agate Before the Name: Reading Impure Chalcedony Across Pre-Modern Lapidary Traditions

Moss Agate Before the Name: Reading Impure Chal...

Moss agate lacks a pre-modern named history. Explore how impure chalcedony fitted into broader regional lapidary traditions and why elite survival bias shapes what we can know.

Moss Agate Before the Name: Reading Impure Chal...

Moss agate lacks a pre-modern named history. Explore how impure chalcedony fitted into broader regional lapidary traditions and why elite survival bias shapes what we can know.

Opal in the Apothecary: How a Stone of Many Colors Became a Pre-Modern Medicine

Opal in the Apothecary: How a Stone of Many Col...

Explore how opal functioned in historical medicine and apothecary belief, and why modern mineralogy quietly displaced the lapidary opal from the dispensary to the museum cabinet.

Opal in the Apothecary: How a Stone of Many Col...

Explore how opal functioned in historical medicine and apothecary belief, and why modern mineralogy quietly displaced the lapidary opal from the dispensary to the museum cabinet.