Ettringite – Mineral Meaning, Properties & Care
Ettringite is a soft, white to pale gray sulfate mineral known for its needle‑like crystals; while not common in jewelry, collectors value its unique formation and traditional crystal meanings.
Gemstone Encyclopedia
Stone profiles, varieties, ornamental materials
Charlesite – Rare Mica Gemstone Overview, Meaning, Care, and Buying Guide
Charlesite is a rare mica‑group gemstone known for its delicate, pearly sheets in colourless to pale pink hues, prized by collectors and occasional jewelry makers for its subtle elegance and metaphysical associations.
Zincite – Red Zinc Oxide Gemstone Overview
Zincite is a rare red to orange zinc oxide mineral prized for its vivid color and rarity in jewelry. It is valued for its bright hue, unique fluorescence, and the intrigue it adds to gemstone collections.
Leucite: Meaning, Properties, Identification, and Buying Guide
Leucite is a potassium feldspathoid mineral, typically colorless to white, cut into cabochons for jewelry. Readers care for its unique crystal habit, moderate hardness, and traditional meanings in crystal lore.
Lazulite – Blue Phosphate Gemstone Meaning, Properties & Care
Lazulite is a striking blue‑violet phosphate gemstone known for its vivid color and rarity in fine jewelry. Readers will learn about its mineral makeup, traditional symbolism, care guidelines, and how to purchase authentic specimens.
Perthite – Meaning, Properties, and Buying Guide
Perthite is a feldspar intergrowth of albite and microcline, displaying white to gray tones with subtle color flashes. Readers care for its unique appearance, gemstone symbolism, and practical guidance for jewelry use and purchasing.
Cancrinite
Cancrinite is a rare carbonate‑rich feldspathoid mineral that forms hexagonal crystals in colors ranging from colorless to pale blue, yellow, or green. Valued for its subtle translucency and occasional use in fine jewelry, it also attracts collectors and crystal enthusiasts for its unique geological origins and symbolic meanings.
Zultanite – Color‑Changing Zoisite Gemstone
Zultanite is a color‑changing variety of the mineral zoisite that shifts from a warm peach‑pink in daylight to a vivid greenish hue under incandescent light, making it prized for its unique visual effect and emotional symbolism.
Rock Crystal (Variety) – Clear Quartz Encyclopedia Entry
Rock crystal is the clear, colorless variety of quartz prized for its brilliance and versatility. Used in jewelry, healing practices, and decorative objects, it offers a timeless appeal that captivates collectors and casual wearers alike.
Carnallite: Mineral Profile, Meaning, and Jewelry Use
Carnallite is a hydrated potassium‑magnesium chloride mineral, typically colorless to pink or yellow, known for its vitreous luster and low hardness. Though primarily an industrial source of potassium, cut specimens are sometimes used as decorative gems, making its identification and care important for collectors and jewelers.