Sizes varies between 30 to 55 mm long by 10 to 30 mm wide

Dimensions: 43x40x28 mm / 1

The tourmaline end has a flat pinacoid and this green crystal has luster and translucence

Samarskite is a radioactive rare earth mineral

Irghizite Impact Glass | 0.36 Grams | Impactite Tektite | Kazakhstan NaturalCrystals Sizes varies between 30 toHere we have for you an amazing 0. 36 grams premium shaped Irghizite Tektite from the Zhamanshi Crater in Kazakhstan. Its dimensions are 20x8x5 mm. These specimen were first found in 2003 and date back 900,000 100,000 years. This stretched and twisted Irghizite is typical of this material. Unlike other Tektites which can be found hundreds of miles from their point of origin, this is found in and around the crater formed by the impacting body. In this