8 grams and dimensions of 33x32x21

Blue agate is associated with calmness

Sunstone is a type of feldspar

Would be an exceptional and rare addition to any new or existing collection

Name: Olivine Crystal BombSpecimen Size:  Cabinet-Sized Dimensions: 69x39x28 mm / 2

Iceland Spar | Optical Calcite | 59 Grams | Rhombohedral | China | SO24 Spodumene 8 grams and dimensions ofIceland Spar, also known as optical calcite, is a clear, transparent variety of calcite famous for its unique optical property called double refraction. When you place the crystal over text or an image, it appears doubled a visual effect that occurs because light splits into two rays as it passes through the crystal. This fascinating trait made Iceland spar historically important in early optical instruments and scientific studies, including