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> Crystals
> Calcite
> GS0076 Details | Optical Calcite Specimens | | | | | | Optical calcite is noted for its rhombohedral shape (prism with six faces) and double refraction of light. It is translucent—sometimes transparent—whereas regular calcite is opaque. | | | | Click on a Code below to see product information and price | | Left Front (Honey): | Code HCO | | Left Back (Pink): | Code OPTPC5 | | Middle (Pink): | Code OPTPC1B | | Right (Green): | Code GOC3 | | | | | | For the products below dimensions are measured at the widest points. Dimensions and weight are approximate and include, when applicable, the matrix. |
| | Honey Optical Calcite Specimen Top↑ | | Code: | HCO Sold | | Source: | Mexico | | Length: | 33 mm (1.3 in) | | Height: | 15 mm (.6 in) | | Width: | 28 mm (1.1 in) | | Weight: | 40 gr (1.4 oz) | | Price: | $14.00 CAD | | | | Natural (uncut and unpolished) | | Deep orange-brandy colouring. Internal rainbows can be seen at certain angles | | | | | | Unique product | | You will receive the exact item shown in the photograph. |
| | Pink Optical Calcite Specimen Top↑ | | Code: | OPTPC5 Sold | | Source: | Mexico | | Height: | 33 mm (1.3 in) | | Width: | 38 mm (1.5 in) | | Depth: | 36 mm (1.4 in) | | Weight: | 127 gr (4.5 oz) | | Price: | $23.00 CAD | | | | Natural (uncut and unpolished) | | Strong pink colour with lots of shimmer | | | | | | Unique product | | You will receive the exact item shown in the photograph. |
| | Pink Optical Calcite Specimen Top↑ | | Code: | OPTPC1B Sold | | Source: | Mexico | | Length: | 45 mm (1.8 in) | | Height: | 36 mm (1.4 in) | | Width: | 27 mm (1.1 in) | | Weight: | 122 gr (4.3 oz) | | Price: | $16.00 CAD | | | | Natural (uncut and unpolished) | | Orangey-pink colouring with internal rainbows, cleavages, and inclusions | | | | | | Unique product | | You will receive the exact item shown in the photograph. |
| | Green Optical Calcite Specimen Top↑ | | Code: | GOC3 Sold | | Source: | Mexico | | Length: | 41 mm (1.6 in) | | Height: | 34 mm (1.3 in) | | Width: | 36 mm (1.4 in) | | Weight: | 138 gr (4.9 oz) | | Price: | $28.00 CAD | | | | Natural (uncut and unpolished) | | Light forest green colouring with internal cleavages and inclusions | | | | | | Unique product | | You will receive the exact item shown in the photograph. |
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