Search Products Shop by Category  Astronomy, Space  Batteries, Power Supplies  Biology  Books  Chemistry  Clocks, Watches  Crystal Growing  da Vinci Gear  Dinosaurs  Einstein Stuff  Electronics  Fun, Toys & Gifts  Games & Puzzles  Geology & Fossils  Glow-in-the-Dark  Laser Pointers  Light & Optics  Magnets  Microscopes  Physics  Posters, Postcards  Robots  Science Kits  Software & Videos  Solar Stuff  Study Charts  Telescopes  Videos (DVD)  Weather Instruments Shop by Price:  under $5  $5 to $10  $10 to $20  $20 to $50  $50 and up Shop by Age:  5 years old  6 - 7 years old  8 - 9 years old  10 - 11 years old  12 and older Store Info:  Catalog Request  Help / FAQ  Contact Us  Terms Of Use Order Tracking: Order No.: Password:		Cart items: 0 Total: $0.00     Optical Calcite - Bulk Mineral »  Science eStore Home  »  Geology & Fossils  »  Optical Calcite - Bulk Mineral click here for larger image Price: $3.99 Sale Price: $2.29 each Item No: 10968 In Stock: 93 units in stock Ships same business day. Quantity: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93   Checkout will continue via our new website: Calcite is the most common mineral next to quartz. Optical calcite is less common. It is shaped sort of like a rectangle which has been stretched (a rhombohedron). It is clear with a glassy luster and makes objects placed behind it appear double (due to different indices of refraction of light it has). Flawless specimens are used in optical instruments. Great for science projects or classroom collection. Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar.  Price is per each piece.They come in irregular shapes, sizes and weights. Photo shows three pieces for demonstration purposes only. Recommended for ages 7 and older. Weight: 0 lb 3 oz ( 0.09 kg ) Related Products   Quartz Point - Bulk Mineral Neat Quartz points, made from one of the most abundant and most useful minerals on Earth. Item No: PL970 $2.49 $1.29 /each  View/Buy   Polished Optical Calcite Slabs Slab of birefringent (doubly refracting) transparent optical calcite. Polished to beautiful shimmer. Item No: PL3163 $39.99 $24.95 /each  View/Buy   Rose Quartz Keychain - Tumbled The Rose Quartz Keychain is the coolest accessory for geology fans everywhere! Item No: PL3168 $5.99 $3.95 /each  View/Buy
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