White Crystal Rock Identification

Visible crystals of pink feldspar white or grey quartz and black.

White crystal rock identification.

Some stones of obsidian contain white crystals of the mineral cristobalite. Printable tumbled stone identification chart. Igneous rock is created by volcanic activity forming from magma and lava as they cool and harden. Rock crystal is found in clusters and twinned forms.

Tourmalinated quartz is the name used for specimens of rock crystal. Go to 5 go back go to beginning of key return to rock key table of contents 3. Determine if your specimen is an artifact a fossil a rock or a mineral. Does the rock have layers but not crystal grains.

When polished these stones produce a gemstone known as snowflake obsidian. In that case you should refer to a crystal book or directory that categorizes by color and includes a photo of the specimen. You may need a magnifier the rock has layers and crystal grains are not visible. Each link will take you to a special page that is a fully annotated and a rather exhaustive look at the myriad of metaphysical uses and properties of that mineral crystal or rock.

Feldspar quartz mica hornblend equivalent to. Igneous rock may form crystalline structures as it cools giving it a granular appearance. Crystal points also known as rock crystal this colorless transparent quartz is prized for the crystalline shape. It is most often black gray or white and often has a baked appearance.

Positive identification requires much more than looking at a photo. The first thing to do is to determine if your specimen is an artifact a fossil a rock or a mineral. Simply upload an image to learn about your crystal. Let s start with the basics.

Look carefully for layers especially along the edges of the rock. Granite is formed by magma that cools very slowly into hard rock below or within the earth s crust. Sedimentary rocks such as limestone or shale are hardened sediment with sandy or clay like layers strata they are usually brown to gray in color and may have fossils and water or wind marks. The rock has crystals but it has no layers.

Igneous rocks such as granite or lava are tough frozen melts with little texture or layering rocks like these contain mostly black white and or gray minerals. Crystal identification by color can be challenging for some crystals like calcite fluorite and tourmaline among others since they come in different colors. It was once believed that rock crystals were ice too frozen to melt. The campbell geology museum does not offer identification of potential meteorites.

Below you will find links to useful information about different types of minerals crystals or rocks.