Families of Crystals and Gemstones

Crystals can be divided into groups that have important material properties in common. There are also many examples of families within families, e.g. red jasper is a form of jasper, which is a form of chalcedony, which is a form of quartz.

Here is a simple introduction to some of the most well-known types of crystals. Most of the crystals mentioned here are also described in more detail elsewhere on this website. See the links below.

Family Name

General Information

Members of Family

Typical Uses








Tigers Eye


According to Swedenborg, each angel is clothed in accordance with the kind and degree of its divine understanding.

This is not medical, First Aid or other advice and is not to be used for diagnosis or treatment. Consult an expert in person. Care has been taken when compiling this page but accuracy cannot be guaranteed. This material is copyright.

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