# Environmental Issues on Color Quality Evaluation of Blue Sapphire based on GemdialogueTM Color Comparison Charts

> Research article (Ekoloji, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2909910561](https://www.wikidata.org/wiki/openalex:W2909910561)  
**Source**: https://4ort.xyz/entity/environmental-issues-on-color-quality-evaluation-of-blue-sapphire-based-on-gemdialoguetm-color-comparison-charts