Stone profiles, varieties, ornamental materials
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.
Discover the vivid brilliance of Chrome Spinel, a gemstone often mistaken for ruby. This comprehensive guide explores its chemical composition, identification markers, and essential care requirements.
Discover the botanical beauty of Moss Agate, a unique variety of chalcedony known for its forest-like inclusions. This comprehensive guide covers its mineral properties, identification, and professional care tips.
Explore the authoritative guide to gemstones associated with the Third Eye Chakra. Learn about the mineralogical properties and traditional uses of stones like Lapis Lazuli and Amethyst to enhance intuition and mental clarity.
Discover the serene world of Lepidolite, the lilac-hued mica known for its calming properties and rich lithium content. This comprehensive guide explores its mineralogy, identification, and metaphysical significance.
