Gemstones Codexery

Jade

Jade is a decorative rock used for ornaments and ritual objects.

Jade

Jade is an umbrella term for two distinct types of decorative rocks used in jewelry and ornaments: nephrite and jadeite. Nephrite is a silicate of calcium and magnesium belonging to the amphibole group, while jadeite is a silicate of sodium and aluminum from the pyroxene group. Both are mineral aggregates, or rocks, rather than single mineral species. Nephrite typically appears green but can also be yellow, white, or black. Jadeite exhibits a broader color range, including white, near-colorless, various greens (including an emerald green known as “imperial”), lavender, yellow, orange, brown, and black; blue is rare. Although the International Mineralogical Association deprecated nephrite as a mineral species name in 1975 in favor of tremolite, the term “nephrite” remains mineralogically correct for the rock. Jadeite is a legitimate mineral species, distinct from the pyroxene jade rock. In China, jadeite is traditionally called fei cui, a name that predates the Western term coined in 1863. The English word “jade” derives from the Spanish phrase “piedra de ijada,” meaning “flank stone,” due to its reputed ability to cure kidney ailments. Jade is classified into three types: Type A is natural, untreated jadeite, prized for its purity and vibrant colors; Types B and C have been enhanced with resin or colorant, respectively. Historically, jade has been used ornamentally in East Asian, South Asian, and Southeast Asian art, as well as in Latin America, particularly Mexico and Guatemala. In Mesoamerica, its rarity and value influenced its use in symbolic and ideological rituals among pre-Columbian cultures such as the Olmecs, Maya, and other civilizations of the Valley of Mexico.

type
Decorative rock (nephrite and jadeite)
primary colors
Nephrite: green, yellow, white, black; Jadeite: white, near-colorless, green (including imperial), lavender, yellow, orange, brown, black, rarely blue
classification
Type A (natural, untreated), Type B (resin-enhanced), Type C (colorant-enhanced)
major historical sources
China (Ningshao, Liaoning, Inner Mongolia, Khotan, Lantian), Myanmar (Kachin State)
etymology
From Spanish 'piedra de ijada' (flank stone), via Latin 'ilia'
national gemstone of
Japan

Lore & Background

Jade is an umbrella term for two distinct decorative rocks: nephrite, a calcium-magnesium silicate in the amphibole group, and jadeite, a sodium-aluminum silicate in the pyroxene group. Nephrite typically appears in green, but can also be yellow, white, or black. Jadeite exhibits a wider range, from white or near-colorless through various greens—including an emerald shade called ‘imperial’—to lavender, yellow, orange, brown, and black; blue is rare. Both are mineral aggregates rather than single mineral species. Nephrite was deprecated as a mineral species name in 1975, replaced by tremolite, though “nephrite” remains correct for the rock. Jadeite is a legitimate mineral species, distinct from the pyroxene jade rock; in China, it is traditionally called fei cui. Jade is well known for ornamental use in East Asian, South Asian, and Southeast Asian art, and is common in Latin America, particularly Mexico and Guatemala. Its rarity and value influenced symbolic and ritual use among pre-Columbian Mesoamerican cultures such as the Olmecs and Maya. The English word “jade” comes from the Spanish “piedra de ijada” (flank stone), referencing its reputed healing of kidney ailments; “nephrite” derives from the Latin “lapis nephriticus,” a translation of that term.

Reader's Guide

Jade has held significant cultural and spiritual importance across multiple civilizations. In China, jade was considered the 'imperial gem' and used for utilitarian and ceremonial objects, from indoor decorative items to jade burial suits. The finest white jade from Khotan was sent as tribute to the Chinese Imperial court and worked into objets d'art, having a status-value exceeding that of gold or silver. In Japan, jade is the national gemstone and has been used since the early Jomon period, with all ancient jade coming from Itoigawa. In Korea, jade was used in comma-shaped ornaments found on gold crowns of Silla royalty. The Salar Jung Museum in Hyderabad, India, holds a wide range of jade hilted daggers. Today, Myanmar is estimated to be the origin of upwards of 70% of the world's supply of high-quality jadeite.

Did You Know?

Common Misconceptions (Editorial)

1. Some people think "jade" refers to a single mineral, but it is actually an umbrella term for two different types of decorative rocks: nephrite and jadeite.

2. A common misconception is that jade only comes from East Asia, but it has been historically significant in Latin America, especially in Mexico and Guatemala, among pre-Columbian cultures like the Olmecs and Maya.

3. Not all jade is created equal — many assume all green jade is valuable, but jade is classified into Type A (natural, untreated), Type B (resin-enhanced), and Type C (colorant-enhanced), with Type A being the most valuable.

Why It Matters (Editorial)

Jade endures not merely as a decorative stone but as a cultural touchstone that has bridged ancient civilizations across continents, from East Asian ritual objects to Mesoamerican symbolic regalia. Its lasting value lies in how it embodies ideals of purity, harmony, and protection, while also reflecting human artistry and trade networks that have persisted for millennia.

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