gemstones

Here are 3 public repositories matching this topic...

Gradient-Flow-Lab / jewelry-hallmark-reference

Open, citation-grade reference data for jewelry: hallmarks, gemstones, assay offices, gemological labs, alloy compositions. JSON, CSV, SQLite. MIT licensed. 219 records, schema-validated, source-cited.

open-data gold silver jewelry json-dataset assay platinum reference-data precious-metals gemstones gemology hallmarks

Updated May 22, 2026
Python

Jaris-top / OliveNet-Hyperspectral-CNN

Star

A lightweight CNN model for hyperspectral gemstone identification.

computer-vision deep-learning cnn pytorch hyperspectral-imaging gemstones

Updated May 20, 2026
Python

gemmology-dev / mineral-database

Star

Gemstone mineral database with SQLite queries (46+ presets)

python database sqlite mineralogy gemstones

Updated May 13, 2026
Python

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