Stone profiles, varieties, ornamental materials
An authoritative exploration of the world’s most coveted green gemstones, from the prestigious emerald to the versatile peridot. This guide covers mineralogical properties, identification markers, and the symbolic meanings associated with green stones.
Explore the complex mineralogy of the Plagioclase feldspar series. This guide examines the chemical transition between Albite, Andesine, and Anorthite, and their roles in the gemstone market.
Explore the multifaceted world of Fluorite, from its striking geometric crystals and vibrant colors to its industrial applications. This comprehensive guide covers its gemological properties, value factors, and care requirements.
An in-depth exploration of the olivine group, focusing on the solid-solution series between magnesium-rich forsterite and iron-rich fayalite. Discover the mineralogy, gemological properties, and the significance of peridot.
An authoritative exploration of Arsenopyrite, a metallic sulfide mineral known for its silver-white luster and arsenic content. This guide covers its chemical properties, identification, and industrial significance.
Explore the geological wonders of Idaho, from the vibrant Star Garnets of the Salmon River to the rare opals of the high desert. This comprehensive guide details the state’s most prized minerals and their gemological properties.
A comprehensive gemological guide to the crystals used for balancing the Heart (Anahata) and Throat (Vishuddhi) chakras. Learn the mineral properties and traditional associations of green and blue gemstones.
Discover the captivating world of Tanzanite, a rare variety of zoisite found only in a small area of Tanzania. This guide explores its unique trichroic properties, geological origins, and essential care requirements.
An authoritative exploration of calcium silicate minerals, focusing on rare species sought by collectors. From the vibrant hues of Danburite to the unique properties of Grossular Garnet, this guide details their mineralogy and value.
Explore the fascinating world of nickel-bearing minerals, where nickel replaces other elements to create vivid greens. This guide details the chemistry, identification, and value of rare collector gemstones like Gaspeite and Nickeliferous Garnet.
