Umbalite is the rose-lavender garnet of Tanzania’s Umba Valley — a pyrope-spessartine blend with delicate pink-violet tones you won’t find in any other garnet. Always natural color, hardness 7–7.5, and genuinely scarce beyond small sizes.GEMIC Institute’s dedicated umbalite selection is laboratory-certified stone by stone, filmed for each listing. Unique gems; worldwide tracked shipping and a 30-day return period.