Визначення Багато хто чув про камінь таффеїт, але мало хто знає, що це дуже рідкісний камінь. Був відкритий графом Таффе з Ірландії, завдяки чому і отримав своє ім’я. Має цікаві властивості, що відрізняє його від багатьох інших дорогоцінних каменів. Цінується досить високо, тому вартість його на ринку досить велика. Єдине, складно дістати оригінальний самоцвіт. Дуже […]

Appearance and properties The name of this stone brings back memories of Tolkien’s Silmarils. However, in reality everything is more prosaic. Sillimanite was named after Benjamin Silliman, a prominent American scientist of the 19th century. Another name – fibrolite (translated as “fibrous stone”) – it received because it is often found in the form of […]

About the mineral Phlogopite is a fairly common and popular mineral in our time, which belongs to the mica group. From Greek “phlogeros” means fiery. Indeed, phlogopite is distinguished by reddish hues that resemble flashes of flame. At the end of the 19th century, Breithaupt introduced this name; now it is found everywhere in scientific […]

General characteristics A rare precious mineral of extraordinary purple color, sagilite stone is of particular value to mineral connoisseurs. The stone received its name in honor of the Japanese mineralogist Kenichi Suga. It was he who first discovered and described a new mineral in 1944. Sugi initially assumed that the specimens he found were purple […]

Definition, history of the name The mineral pyrrhotite is quite widespread. The name came to us from the Greek language: “pirrotos” means fiery color. This name was given due to the fact that pyrrhotite and the stones of its group have a characteristic color from yellow-bronze to deep red. The mineral is polymorphic, that is, […]