Semi-precious gemstones and exotic minerals which may serve as indegenous [sic] raw materials for Philippine jewelry
By: by Amable J. Cruz.
Series: Information circular / Republic of the Philippines, Ministry of Natural Resources, Bureau of Mines and Geo-Sciences ;; no. 29; Information circular (Philippines. Bureau of Mines and Geo-Sciences) ;; no. 29.
Publisher: Bureau of Mines and Geo-Sciences
Published: 1981
Place of publication: Manila
Language: eng
Subjects: Precious stones -- Philippines.; Mineralogy -- Philippines.; Jewelry -- Philippines.
Notes: "January 1981."