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.
Rock and gem identification chart.
If your specimen is a rock you will need to identify the individual minerals that compose it by following the mineral identification guide below.
With over 130 gem varieties our gemstone index will help you find the perfect colored stone for your jewelry crystal healing needs.
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.
Jun 21 2017 explore stephanie urry s board rocks gems minerals charts on pinterest.
Our mining rough contains gems and minerals that were mined in countries as far away as brazil peru mexico india and madagascar.
Emerald is the green gemstone variety of the mineral beryl with the chemical formula be 3 al 2 sio 3 6 beryllium aluminum silicate.
An interactive reference guide to rocks minerals and 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.
Rock identification chart once you ve determined what type of rock you ve got look closely at its color and composition.
See more ideas about gems and minerals minerals stones and crystals.
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.
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.
The mineral and gemstone kingdom is a free informational and educational guide to rocks minerals gemstones and jewelry.
Interactive guide to hundreds of rocks and minerals.
Guide to precious semi precious color gemstones.
Gemselect s list of precious semi precious gemstones.
Chrysocolla is a blue green silicate mineral with the chemical structure hydrated copper silicate and formula.
Positive identification requires much more than looking at a photo.