Material reference

Jadeite · Dangal ng Lahi

Scientific identity, documented history, and community contexts are presented with sources. TÁWID’s contemporary design interpretation is identified separately.

Material identity

Jadeite is a pyroxene mineral. Gem jadeite is commonly a compact jadeite-rich aggregate, whereas nephrite consists predominantly of amphibole minerals. Both have been fashioned into durable ornaments and carvings, but their geological identities and cultural histories must be distinguished. “Jade” in a historical account is not always a sufficiently precise mineral identification. [1]

Documented historical context

GIA places jadeite’s rise as a major carving material in China in the late eighteenth century, when material from Burma, now Myanmar, entered an already long-established jade-carving tradition. This distinction matters: many earlier Chinese jades were nephrite, so the history of jadeite cannot simply be extended backwards over every ancient jade object. Late eighteenth- and early nineteenth-century carving connected a newly important material supply with existing technical skills and forms of patronage.

Jadeite also had a separate history in Mesoamerica. GIA identifies its use by Maya and Aztec communities in jewellery, ornaments and religious objects. These uses belong to their own social and religious settings. They are comparative evidence of the material’s importance in different societies, rather than a single worldwide jade symbolism. [3]

Philippine evidence: distinguish jadeite from nephrite

Hung and colleagues’ Taiwan-linked prehistoric exchange research concerns nephrite ornaments in the Philippines and neighbouring regions. That chemical identification is essential to the argument. The study cannot be used as evidence that a modern jadeite bracelet belongs to the same exchange network. A Filipino discussion of jade can bring these histories into comparison while keeping material, place and period explicit. [2]

TÁWID’s contemporary interpretation

Dangal ng Lahi is TÁWID’s contemporary reflection on responsibility to inherited knowledge and relationships.

Material note

For a product sold as “Myanmar Jade,” distinguish three questions: mineral identity, any treatment, and documented geographical provenance. One answer does not automatically establish the others.

References

1. GIA, “Gems Formed in Metamorphic Rocks,” Gems & Gemology (Summer 2023)
2. Hung et al. (2007), “Ancient jades map 3,000 years of prehistoric exchange in Southeast Asia,” PNAS 104(50), 19745–19750, doi:10.1073/pnas.0707304104
3. GIA, “Jade History and Lore”

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