Rock And Gem Identification Chart

Soft rock does not scratch steel but will scratch fingernails mohs scale of 3 to 5 5 while very soft rock won t even scratch fingernails mohs scale of 1 to 2.

Rock and gem identification chart.

Positive identification requires much more than looking at a photo. With over 130 gem varieties our gemstone index will help you find the perfect colored stone for your jewelry crystal healing needs. Interactive guide to hundreds of rocks and minerals. Rock identification chart once you ve determined what type of rock you ve got look closely at its color and composition.

Our mining rough contains gems and minerals that were mined in countries as far away as brazil peru mexico india and madagascar. If your specimen is a rock you will need to identify the individual minerals that compose it by following the mineral identification guide below. Emerald is the green gemstone variety of the mineral beryl with the chemical formula be 3 al 2 sio 3 6 beryllium aluminum silicate. Follow this handy guide to learn more about your gems rocks minerals our gemstones and minerals traveled across the world to become a part of your collection.

Guide to precious semi precious color gemstones. Rock identification guide complete with photos and information about each rock s distinguishing characteristics this rock identification guide has been designed to assist you in identifying the rocks provided in the deeper and deeper and mining matters ii kits. See more ideas about gems and minerals minerals stones and crystals. Jun 21 2017 explore stephanie urry s board rocks gems minerals charts on pinterest.

Once you have identified the relative abundance of different minerals in your rock you can come see examples of common upstate rocks at the museum or you can refer to an online or other reference. Printable tumbled stone identification chart. Picture identification guide for polished stones and tumbled rocks these photos will give you some idea of what various stones look like but other types of stones can have a very similar appearance. Gemselect s list of precious semi precious gemstones.

This site has been providing detailed information and photos of hundreds of mineral and gemstone since 1997 and is one of the leading education resources on minerals and gemstones. Cu al 2 h 2 si 2 o 5 oh 4.