Boracite specimens for sale
15 for sale · $130–$2,500 USD
73 in the gallery
Boracite is a boron-magnesium borate mineral that forms translucent to white crystals, often prismatic or tabular, with a vitreous to pearly lustre. It commonly occurs in brittle forms and can display subtle zoning or color due to trace elements, though it is predominantly light-colored. Its crystallization typically follows hydrothermal or evaporite conditions, and it is frequently associated with halite, dolomite, and other borates in evaporitic environments. The mineral’s tinctorial simplicity contrasts with its structural complexity, as boron-oxygen borate groups contribute to a robust framework within the crystal lattice.
- Formula
- Mg3(B7O13)Cl
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Borate (chloroborate); Strunz 6.GA.05
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 7–7.5
- Specific gravity
- 2.9–3
- Luster
- vitreous
- Transparency
- transparent, translucent
- Color
- colorless, white, gray, yellow, green, blue, brown
- Streak
- white
- Cleavage
- none
- Fracture
- conchoidal, uneven
- Crystal habit
- cubic, octahedral, dodecahedral, granular, massive
- Gem mineral
- Classic / historic
Buy Boracite specimens
View all 15Where Boracite is found
Top localities
- Boulby Mine17 specimens
- Alto Chapare mining district8 specimens
- Lower Saxony2 specimens
- Eime1 specimen
- Lüneburg1 specimen
- Solno mine1 specimen
About Boracite
Collectors prize boracite for its clean lines and the way the mineral showcases well-formed crystals from classic localities. Notable specimens come from the United Kingdom, Germany, and Poland, where high-quality crystals have been described and matrix associations can enhance display appeal. The rarity of pristine, gemmy crystals in hand-sized specimens adds to its allure for cabinet displays and cabinet-friendly collections. For enthusiasts, boracite represents a window into borate mineralogy and evaporitic genesis, offering both scientific intrigue and aesthetically restrained elegance.

















