Crushed Marine Blue Apatite Sand (Grade A) from Brazil, Medium Sand (0.25mm-2mm)

Apatite is a calcium phosphate mineral that is naturally found in a variety of colors. This crushed apatite is from Brazil and has a beautiful, deep blue color. Apatite is a relatively soft mineral with a Moh's hardness of 5; therefore, it is a good pick for your woodworking projects. This crushed material is extremely clean and is premium quality apatite. Our medium material is considered to be sand sized (very coarse sand to fine sand), ranging between 2 millimeters to 0.25 millimeters. Please see the corresponding sediment size chart.  Mineral Properties Mohs’s Hardness: 5.0 Specific Gravity (g/cm3): 3.13-3.23 Luster: Vitreous Color: Blue Origin: Brazil  This product is not man-made, mixed with resin, dyed, or stabilized. Pictures are taken in full sun and material is dry. Size measurements are using the metric system (millimeters), including the metric ruler (cm/mm) as shown in the product photos.