This is Natural Lemurian Seed Crystal from Brazil. It measures approximately 12.8 x 3.7 x 2.4cm and weighs 182 grams.
These crystals are quite rare and characterized by horizontal striations (lines) on their side faces. Lemurian Seeds are very spiritual, they were programmed and planted by the Lemurians (civilization). Through meditation we can access the information encrypted in them to bring advancements to our own times.
Chakra: Crown and Spiritual - Zodiac: All