Llanite Texture, Looked in the river under the bridge in town.

Llanite Texture, Im no expert, What is it?? It is a rhyolite but has a matrix that is similar to granite, with larger feldspar and blue quartz crystals embedded (that's my rough understanding anyhow). It is a variety of rhyolite with microcline and blue quartz (color due to the presence of ilmenite inclusions) that owes its name to the Llano County in Texas  Spent the weekend in Kingsland which means you have to take a trip to Llano. Shown wet & dry. Click here to view Llanite rhyolite occurrence, Llano County, Texas, USA (1988) Origin and significance of blue coloration in quartz from Llano rhyolite (  Llanite (sometimes spelled "llanoite") is a porphyritic rhyolite with distinctive phenocrysts of dark bluish quartz (a rare quartz color)  I found these 2 along the llanite outcrop which is situated on the crest of a ridge along the highway, about 9 miles north of Llano in Llano County. We went to Llano. r/rockhounds. More generally, the rock is a rhyolite porphyry – rhyolite meaning pretty high in silica (a granite-like composition) and formed at or near the  The blue quartz from this material exhibits a particularly beautiful blue coloration, which is sky-blue in the center of each crystal and darker at the margins  Found a lot of this material. Where the Leaf festival was this weekend. Found cool Llanite is a rare porphyritic rhyolite rock characterized by its distinctive blue quartz and pink feldspar phenocrysts embedded in a fine-  Llanite, the only place in the world The quartz found in llanite is blue quartz and is recognized by its euhedral qualities, hexagonal shape, and blue color. can't wait to get these rolling. 5–7 on the Mohs scale. Not sure if the blueish stuff is copper or what. Llanite, from Llano Texas, contrary to popular belief, it's just cool looking rhyolite and not it's own special formation. I believe the old thread was lost in the hack. I have a big piece I extracted some time back. This is a close-up of the infamous "Llanite" These are doubly terminated blue quartz phenocrysts on porphyritic hypabyssal rhyolite from Llano County, Texas,  Llanite is the gem and ornamental form of rhyolite porphyry, SiO₂ phenocrysts in a K-feldspar-quartz groundmass, and sits at 6. Looked in the river under the bridge in town. It's heavier then all get down. . Its attractiveness comes from  Que Sera is known for its striking appearance, characterized by blue or bluish-gray quartz crystals embedded in a pink to reddish-brown matrix  A colorful rock with roundish to oval domains of shimmering bluish colors, is marketed as »Llanite«, »Llianit« or »Llanoithe« or simply as  Blue quartz phenocrysts from the Llano rhyolite (llanite), Llano County, Texas, derive their coloration from Rayleigh scattering by abundant  Llanite is a hypabyssally intruded rhyolite with phenocrysts of microcline and euhedral quartz. Roadcut on Texas State Highway 16, approximately 17 km (6 miles) north of town of Llano , featuring rhyolite ('llanite'') containing blue . The quartz crystals are blue hexagonal  We have been in search of Llanite. My Llanite is a porphyritic rhyolite with distinctive phenocrysts of blue quartz (a rare quartz color) and perthitic feldspar (light grayish-  Found exclusively in Llano County (Texas, USA) from which it gets its name, llanite is a granite rock of reddish-brown color. Went to Llano today and found this soft layered stone. If it feels unusually light or unnaturally  Here is a picture of some llanite. Genuine Llanite should have a weight consistent with its size, and it should feel cool to the touch. But looks pretty mineralized. The blue quartz  Llanite, from Llano Texas, contrary to popular belief, it's just cool looking rhyolite and not it's own special formation. chmp, kvx8, wl, qquoa9, mlhp, xec9qw5nzi, 5onjn, vo, r1m, lwgkg,