Mineral Factbook

Kernite

Na2B4O6(OH)2·3H2OIMA symbol: Kergrandfathered

Kernite is a borate mineral with the formula Na2B4O6(OH)2·3H2O, crystallizing in the monoclinic system. It has a calculated density of 1.848 g/cm3. Its streak is white.

Photos

Kernite specimen photo
Cs california · CC BY-SA 3.0 · Commons
Kernite specimen photo
Andrew Silver · Public domain · Commons
Kernite specimen photo
Andrew Silver · Public domain · Commons
Kernite specimen photo
CherryX · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/c 1
Cell (Å, °)a = 7.0172, b = 9.1582, c = 15.6774; α = 90, β = 108.861, γ = 90
Cell volume953.409 ų, Z = 4
Axial ratios0.7662:1:1.7118calculated from COD 9000290
Source structureCOD 9000290 (American Mineralogist, 1973) — 1 of 2 structures

Physical properties

Density (calculated)1.848 g/cm³calculated from COD 9000290
Streak
whitesingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight273.28 g/molcalculated from the IMA formula
Composition (wt%)Na 16.83%, B 15.82%, O 64.4%, H 2.95%

Classification

Nickel-Strunz (10th)6.DB.05Wikidata (CC0)
Nickel-Strunz (9th)6.DB.05Wikidata (CC0)