Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
trigonaluncommonSilicates (Cyclosilicates, Tourmaline Group)
Elbaite
Na(Li,Al)3Al6(Si6O18)(BO3)3(OH)4
This image displays a stunning bi-colored Elbaite crystal, transitioning from a vibrant pink/red base to a clear green termination, showcasing its excellent transparency and characteristic trigonal prism habit.
Elbaite Physical Properties
Mohs Hardness
7Crystal System
trigonalLuster
vitreousStreak Color
whiteCleavage
indistinct/poor parallel to {1120}Fracture
conchoidal to unevenSpecific Gravity
3.06Colors
pink, red, green, blue, yellow, colorless, multi-coloredTransparency
transparentType Locality
Tourmaline Queen Mine, Pala District, San Diego County, California, USAMineral Group
Silicates (Cyclosilicates, Tourmaline Group)Uses
jewelry, collectorAssociated Minerals
quartz, feldspar, lepidolite, muscovite, beryl, spodumene, cleavelanditeRarity
uncommonGeological Context
Elbaite is a member of the tourmaline group that typically forms in lithium-rich granitic pegmatites, often crystallizing during the late-stage hydrothermal activity within these intrusions.
