MAKER'S MINERALS
Crushed Black Tourmaline from Brazil, Medium Crush, Sand Size, 2mm - 0.25mm
Crushed Black Tourmaline from Brazil, Medium Crush, Sand Size, 2mm - 0.25mm
Tourmaline represents a large group of related mineral species that exhibit many unusual optical and physical properties. Chemically more complex than most minerals, tourmaline exhibits a substantial range of colors and varieties. This particular black tourmaline is from Brazil and has a nice shiny appearance even when crushed. Tourmaline is also one of the official birthstones for October.
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: 7 - 7.5
- Specific Gravity (g/cm3): 3.00 - 3.26
- Luster: Vitreous
- Color: Black
- 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.
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Shipping
We offer free US shipping on any order over $50. Orders are typically shipped within one to two business days and spend 2-5 days in transit. This means your order should arrive at your doorstep within 4-6 business days -- and often less!
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Returns
We offer a hassle-free 30-day return policy. If you wish to return or exchange any product in your order, simply email hello@makersminerals.com, and we will help you process the request.
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