Madagascar Natural Half Dome Polished Septarian Specimen Calcite
Aragonite (403)USD $17.00
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Stone: Septarian (Dragon Stone) - Madagascar Color: Browns, Yellows and Grays Shape: Half Dome Freestanding Specimen Quantity: 1 Weight: 9.6 ounces (272 grams) Size: Length 3.0 inches (76mm) Width 3.0 inches (76mm) Height 1.1 inches (28mm) Notes: Beautiful warm golden-yellow crystal river flows through this polished freestanding Septarian specimen. From: bestcrystals.com website: "Septarians formed between 50 to 70 million years ago. As a result of volcanic eruptions, dead sea life was chemically attracted to the sediment around them, forming mud balls. As the ocean receded, the balls dried and cracked. Due to their bentonite content they also shrank in size, creating the cracks inside. As decomposed shells seeped down into the cracks in the mud balls, calcite crystals formed. The outer thin walls of calcite then transformed into aragonite. The name Septarian comes from the Latin word "septem", meaning seven, because the mud balls had a tendency to crack in 7 points in every direction, thereby creating the distinctive pattern these nodules exhibit. Septarians are composed of Calcite (The Yellow Centers), Aragonite (The Brown Lines), and the outer grey rock is Limestone." You
will receive the specimen shown in the photo. Please
note that the photo does not represent the actual size, refer to the detailed
description above. Measurements are shown for the greatest distance
of each dimension. Photos are taken under lighting designed
to represent
daylight. Color may vary slightly due to color calibration of
each individual monitor.
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