SKU: 14397451921

Dolomite snowflake (dolomite ps. after aragonite)

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Description

Dolomite snowflake (dolomite ps. after aragonite)Locale: Roswell, New Mexico Approx dimensions: 1. 5 x 1" Approx weight: 93g These unusual pseudomorphs of dolomite after aragonite have earned the name snowflake because of their hexagonal shape which is often striated to give the mineral an appearance like a chunky snowflake. Pseudomorph means the mineral initially grew as aragonite, and then through geological processes the aragonite was replaced with dolomite. The new mineral will retain the shape

Locale: Roswell, New Mexico

Approx dimensions: 1.5 x 1"

Approx weight: 93g

 

These unusual pseudomorphs of dolomite after aragonite have earned the name “snowflake” because of their hexagonal shape which is often striated to give the mineral an appearance like a chunky snowflake. ‘Pseudomorph’ means the mineral initially grew as aragonite, and then through geological processes the aragonite was replaced with dolomite. The new mineral will retain the shape of the original growth. 

With dolomite snowflakes, the aragonite crystal habit is referred to as ‘pseudo-hexagonal’ meaning the crystals that appear hexagonal are actually formed of multiple intergrown crystals (twinned growth). The pseudo-hexagonal crystals grow similar to the arms of its namesake snowflake, forming six symmetric small pointed pie-wedges (you may be able to tell, the boundary between crystals is about halfway between points).

This pseudo-hexagonal crystal habit is common in aragonite! Purple aragonite and sputnik aragonite also have a pseudo-hexagonal habit and get their hexagonal crystal shape from cyclic twinned growth—studied closely you can see similarities with the crystal growth of dolomite snowflakes.

UV reactivity This material reacts well, fluorescing strong orange  under 365nm UV light. It also has moderately strong phosphorescence of a yellowish-green color. This specimen also has an irregular cluster of attempted-twinned-growth on one side, which fluoresces whitish.

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SKU: 14397451921

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ElyGar
Phoenix, US
★★★★★ 5
GOOD
Color: Black
The chair was more comfortable than I expected for the price. The back support feels good and the seat does not feel hard after working for several hours. I liked that the wheels roll smoothly and the assembly was pretty simple. The design also makes the office look more modern. So far it feels stable and durable.
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Reviewed in the United States on May 28, 2026
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jerry
Chelsea, US
★★★★★ 4
Back is a little low
Color: Black, Color: Black
Comfort is good went together with no problems
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Reviewed in the United States on May 26, 2026
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kelvin7799
Massapequa, US
★★★★★ 5
Sitting on a very comfortable leather chair
Color: Black, Color: Black
I have been using this chair for a few days. First of all, the installation is very simple and convenient. You can learn it just by looking at the drawings. It takes about 20 minutes to install. The chair is very comfortable to sit on. Its support and comfort are beyond expectations. It can relieve the fatigue of the waist and you won't feel very tired when sitting. The leather material is also good. It can be rotated, moved up and down, and can be moved. The armrests can also be moved up and down. This price is worth it. Overall, I'm very satisfied and comfortable.
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Reviewed in the United States on April 22, 2026
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Free Bird
Waukegan, US
★★★★★ 5
Very comfortable chair!
Color: Black
This office chair is a great addition to my bedroom. It offers really nice comfort because of its thick and cushioned back which helps make long hours at a desk much more enjoyable. The adjustable height is really nice as it makes this chair extremely versatile. The armrests are sturdy and positioned well for typing or resting your arms. They also move back if you don’t like them.  The assembly was straightforward and didn’t take long as the instructions were clear and easy to follow. The wheels roll really nice and don’t get stuck. This chair is really comfortable and nice. 
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Reviewed in the United States on March 3, 2026
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Jerry
Whiting, US
★★★★★ 5
Very Comfortable
Color: Black, Color: Black
Very easy to assemble , only 7 steps, and the tools are included.Great quality , material quality is high.The cushion supports my lower back. Very comfortable.price is reasonable.
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Reviewed in the United States on May 2, 2026

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