Bytownite
Curated by Maggie Liu · Updated:
Bytownite is a silicate mineral recognized among collectors for its crystal form and distribution.
About Bytownite
Bytownite is a silicate mineral in the feldspar group (plagioclase series) and has the chemical formula (Ca,Na)(Al,Si)AlSi2O8 [An70-An90]. It crystallizes in the triclinic system and holds a steady position among silicate species.
Identification & care
Crystals commonly develop as massive, tabular; polysynthetic twinning. Its color range is broad, including gray, white, yellowish, and transparent gem material is golden yellow. The luster is vitreous to pearly, the streak is white, and specimens range from translucent to transparent. The cleavage is perfect {001} and {010}. The fracture is uneven, which aids identification.
Collector context
Collector notes
For collectors, Bytownite is a benchmark crystalline species.
Frequently asked questions
What is Bytownite?
Bytownite crystallises in the Triclinic system. Bytownite is a silicate mineral recognized among collectors for its crystal form and distribution.
What crystal system does Bytownite belong to?
Bytownite crystallises in the Triclinic crystal system.
Related minerals
Looking for a Bytownite specimen?
Our inventory is one-of-a-kind and turns over quickly. Tell us what you're after — species, size, budget — and we'll notify you when a matching Bytownite arrives from our sourcing network.
Request this mineral