Emerald & Synthetic Gem Filter

A most valuable aid in distinguishing genuine emeralds and the pastes and doublets which resemble them.
SKU 290.013
Filter combination is primarily intended for emeralds, it is also useful in identifying synthetic blue spinel, cobalt-glass sapphire imitations, natural and synthetic ruby. The most successful filter of its kind.

This item is typically IN STOCK and ready to ship.

Most orders are shipped from our facility with 24 hours, Monday through Friday.

Cas-Ker Co.
2550 Civic Center Drive | Cincinnati, OH 45231 | CALL 800-487-0408 | FAX 800-487-5848 | Cincinnati 513-674-7700