Healing Crystals - Crystal Shop & Free Resources

Calcite - Optical Calcite "Iceland Spar" (China)

Calcite - Optical Calcite "Iceland Spar" (China) - Main image
$4.15 $6.7 In stock

Category: Other Products

This listing is for Calcite, specifically Optical Calcite, also known as "Iceland Spar," sourced from China. It is a natural crystal specimen appreciated for its clarity and optical properties.

  • Product type: Optical Calcite (Iceland Spar) from China.
  • Category: Other Products.
  • Brand: Healingcrystals.
  • Available in a standard option.
  • This is a natural crystal; appearance may vary.
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

James ★★★★★

The double refraction on this thing is wild — set it over a line of text and you get two crisp copies instead of one. Clarity is way better than I expected for a natural specimen, barely any internal veining to muddle the image.

Natalie M. ★★★★★

Held this piece up to a printed page and the text doubled clear as day, which is exactly what I was hoping for from optical calcite. There's one small internal fracture near the edge, but it doesn't interfere with the double refraction at all.

Adam S. ★★★★★

Turned my phone screen into a tiny rainbow when I tilted this thing just right, and the double refraction is way sharper than the cheap calcite I had before. The piece arrived with clean edges and no cloudy patches, which matters a lot for optical grade. Been sitting on my desk as a fidget ever sinc