List of Common Magnetic Rocks & Minerals (with Explanation)
Some minerals and rocks have pretty unique magnetic properties. Magnetism in minerals is crucial for ore geologists specializing in iron deposits and for paleontologists making …
Facts
Step-by-Step Guide: Testing Mineral’s Luster like a PRO
Mineral luster is an essential property of mineral identification. Since the first year of professional geological education, luster is carefully determined for each mineral sample …
Guide: All Rock & Mineral Properties Explained by Expert
Mineral properties are very specific characteristics of every separate mineral. Being fluent in mineral properties gives the opportunity to identify any kind of mineral and …
Jasper Value: Prices for Different Units & Colors Explained
Jasper is considered a widespread and moderate price stone, but some varieties of jasper can hit unexpectedly high prices. Although you may be surprised how …
8 Factors Why Opal is Valuable (Prices for Different Types)
Opal is a one-of-a-kind, highly valuable gemstone. Saying just “highly praised” and “extremely valuable” is not enough to describe how beautiful opal is. Its intriguing …
8 Minerals That Show Double Refraction (+ Explanation Why)
Double refraction or birefringence is a typical physical property for a lot of minerals. Minerals and gemstones which crystalize in any other crystal system except …