DIOPTASE w/ Wulfinite Crystal Mineral Specimen Cluster Green CONGO AFRICA - excellent color and luster; very sparkly - no damage, see all pictures and video - acrylic base not included dimensions: 4.5 x 2.9 x 1.3 cm Questions and/ or concerns by all means ask. I ship safe and fast usually next day not including weekends or holidays using USPS priority mail. Please take a look at some of my other listings. I sell good and interesting objects of art from the 19th and 20th century, antiques and curiosities. 40 years of experience.