Natrolite
Natrolite is a silicate mineral prized by collectors for its exceptional color range, with known Chinese sources.
About Natrolite
Natrolite is classified as a silicate mineral in the natrolite group and has the chemical formula Na2[Al2Si3O10]·2H2O. It crystallizes in the orthorhombic system and is one of the most visually varied minerals in the collector market.
Identification & care
Specimens usually show long prismatic acicular needle-like crystals; radiated sheaves and fans; massive; fibrous. Its color range is broad, including colorless, white, yellowish, pinkish, and reddish. The luster is vitreous, silky, the streak is white, and specimens range from transparent to translucent. The cleavage is perfect on {110}. The fracture is uneven, which aids identification.
Collector context
Collector notes
For collectors, Natrolite is a benchmark crystalline species. Natrolite is widely represented across Chinese provinces, including Hunan, Yunnan, Henan, Zhejiang.