• italianminerals Italian and Elba Minerals

    Veracruz, Pedra Parada, MexicoVery nice amount of terminated amethyst quartz crystals ! The size of the main crystal is 3.5 cm and it is biterminated.

    Live Chat
  • PYROLUSITE (Manganese Oxide)Amethyst

    Pyrolusite is the most common manganese mineral and is an important ore. Manganese is a strategically valuable metal since it is an essential ingredient in steel and

    Live Chat
  • Mineral Species Quick Reference Guide

    John BettsFine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Mineral Species Quick Reference Guide

    Live Chat
  • Chromite: The only mineral ore of chromium

    Chromite: Chromite from the Transvaal area of South Africa. Specimen is approximately 4 inches (10 centimeters) across.

    Live Chat
  • Gallery of Mineral Pictures and Information

    600+ photographs of over 150 minerals and still growing! Each mineral galleries has high resolution pictures and descriptions of mineral specimens.

    Live Chat
  • Fluorescent Minerals and Rocks: They Glow

    A small number of minerals and rocks will glow with spectacular colors under ultraviolet light. Learn how this happens.

    Live Chat
  • Glossary of geologyWikipedia

    A. Abyssal plainFlat or very gently sloping areas of the deep ocean basin floor. Absolute datingthe process of determining a specific date (in years or some

    Live Chat
  • Dolomite: The mineral dolomite information

    Detailed description, properties, locality information guide about the mineral dolomite.

    Live Chat
  • OreWikipedia

    An ore deposit is an accumulation of ore. This is distinct from a mineral resource as defined by the mineral resource classification criteria.

    Live Chat
  • Rocks & Minerals Definitions

    Obsidian Obsidian is volcanic glass. Oligoclase Oligoclase has the formulae (Na,Ca)AlSi3O8 and a relative hardness of 7. It is a plagioclase feldspar.

    Live Chat
  • Our Service

    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.