This bright golden volcanic glass is quite rare, only originating from lava fountains that reach above 1,000 feet in height. What I am referring to is known as reticulite, which currently coats a wide swath of land directly west of Kilauea's recent eruptive vents. This video discusses how it forms, and what other volcanoes also produce it. Note: While some shorter lava fountains can also produce reticulite, it is less commonly produced via lava fountains below 1,000 feet in height. Thumbnail Photo Credit: This work "ReticuliteJSJ3", is a derivative of a photo (only on the right side) (resized, cropped, text overlay, added similar colored border to right and left of image, increased image color satuation) from "Reticulite (thread-lace scoria) (unrecorded high-fountain eruption of Kilauea Volcano's East Rift Zone, Hawaii)", by: James St. John, jsjgeology, 2014, Posted on Flickr, Flickr account link: https://www.flickr.com/photos/jsjgeology/, Photo link: https://www.flickr.com/photos/jsjgeology/14838947530/, CC BY 2.0. "ReticuliteJSJ3" is used & licensed under CC BY 2.0 by Youtube.com/GeologyHub. The right side of the image is a frame grab from a video by U.S. Geological Survey, Hawaiian Volcano Observatory, Public Domain, https://www.usgs.gov/media/videos/may-25-2025-kilauea-episode-23-livestream-video-clips. If you would like to support this channel, consider using one of the following links: (Patreon: http://patreon.com/geologyhub) (YouTube membership: https://www.youtube.com/channel/UCYeGh5VML5XPr5jYnzh3J6g/join) (Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com) (GeologyHub Merch Etsy store: http://geologyhub.etsy.com) Google Earth imagery used in this video: ©Google & Data Providers This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image (and this list does not include every license used in this video and/or thumbnail image): Public Domain: https://creativecommons.org/publicdomain/mark/1.0/ CC BY 2.0: https://creativecommons.org/licenses/by/2.0/legalcode Sources/Citations: [1] U.S. Geological Survey [2] Hawaiian Volcano Observatory 0:00 1,000+ Ft Lava Fountains 1:07 Reticulite 2:34 Pumice & Reticulite 3:44 Ideal Compositions