Shiny Purple Crystal Rock

Show the science teacher the stone and ask for their opinion.
Shiny purple crystal rock. A quest for shiny purple crystals johnny and maxâ x20ac x2122 s rock hunting adventure by monica tsang rakovan about the author illustrator monica tsang rakovan is a geologist and an artist. Pegmatites composed primarily of large crystals such as granite. Also search for rock crystal or rock and crystal identification websites. The blue crystals attract attention and make llanite an interesting lapidary material.
Llanite is a rock found in texas and a few other locations that contains tiny euhedral well formed crystals of blue quartz in a groundmass of pink and brown feldspar. Take the washed rock to the local school system. Here are some rules of thumb about red minerals. A variety of imperial topaz this purple crystal is a rather rare color of the topaz mineral.
Specimen is about four inches ten centimeters across and is from minas gerais brazil. Look at the crystal using a magnifying lens. When made into powder the color of the powder is red which is why it s also called haimatitē meaning blood like. 99 times out of 100 a deep red transparent mineral is a garnet and 99 times out of 100 a red or orange sedimentary rock owes its color to microscopic grains of the.
Like other crystals it s also believed to have healing powers. Ask to speak to the high school science teacher. Feldspar olivine pyroxene amphibole equivalent to. Transparent rock crystal quartz.
This specimen shows the conchoidal fracture fracture that produces curved surfaces that is characteristic of the mineral. Those who practice alternative healing use this rock for healing broken bones insomnia and stress. Rich purple amethyst perfect white calcite crystals. Dark grey black shiny surfaces of feldspar are visible.
Because many ocos have a very thin rind. A pinkish purple crystal of topaz source. Although fairly rare you can find purple blue or violet minerals in these four types of rocks ordered from most to least common. Everyone expects to find bright shiny geometric crystals when they open a geode.
Gabbro is formed by magma that cools very slowly into hard rock below or within the earth s crust. However these rocks always have that red streak on them. While most popular in yellow and blue topaz also occurs as purple stones. Compare it to the pictures of crystals on the internet.
Its rock name is rhyolite porphyry. This list includes primarily minerals that form crystals or at least solid grains for which red or pink is the default color.