The ".mp4" extension indicates the file is a formally known as MPEG-4 Part 14 .
This specific file name is associated with listings for a multi-color, oval-cut Welo Rainbow Opal. : Welo Rainbow Opal. Weight : 4.25 Carats. 23677mp4
: Faceted cut with a multi-color "Rainbow" fire effect. Origin : Ethiopia. Technical Context Weight : 4
: The format is based on the QuickTime File Format (.mov) and uses a hierarchical "box" or "atom" data structure to organize metadata and media tracks. Technical Context : The format is based on
For those looking to view or verify this specific gemstone, the video serves as a visual certificate of the stone's "play of color," which is often difficult to capture in static photos. Sellers on platforms like Etsy use these numbered video files to provide transparency for high-value items.