SKU: 71232466879

Black Obsidian Natural Stone sphere

Sale price$58.50 Regular price$65.00
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Black Obsidian Natural Stone sphereSpecimen ID: Obsidian sphere from Unknown locality. Weight: 1. 05 grams (0. 002 lbs) Locality Information This listing is for the exact sphere shown in the photographs. Mineral: Obsidian Chemical Formula: SiO2 Crystal System: Amorphous Mohs Hardness: 5 5. 5 Luster: vitreous Common Colors: black About Crystal Spheres Crystal spheres are carefully shaped and polished to create a perfectly rounded form that displays the natural colors, patterns, and

Specimen ID:

Obsidian sphere from Unknown locality.

Weight: 1.05 grams (0.002 lbs)

Locality Information

This listing is for the exact sphere shown in the photographs.

  • Mineral: Obsidian
  • Chemical Formula: SiO2
  • Crystal System: Amorphous
  • Mohs Hardness: 5-5.5
  • Luster: vitreous
  • Common Colors: black

About Crystal Spheres

Crystal spheres are carefully shaped and polished to create a perfectly rounded form that displays the natural colors, patterns, and internal structures of the stone from every angle.

Each Obsidian sphere is unique due to natural mineral formation and may display variations in color, inclusions, clarity, and internal crystal structures.

Why Choose a Sphere?

  • Displays mineral color and pattern from every angle
  • Smooth polished finish
  • Elegant decorative display piece
  • Popular among mineral collectors

Product Details

Stone: Natural Obsidian
Shape: Polished Sphere
Weight: 1.05 grams
Origin: Unknown locality

Due to natural formation, each sphere will vary slightly in color, clarity, and mineral inclusions.


All specimens are individually photographed and the item pictured is the exact sphere you will receive.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 71232466879

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Verified Purchase
Elaine li
Houston, US
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
T
ThereseHazzard
Bozeman, US
★★★★★ 5
All around helpful---worth the money!
Format: Paperback
This guide has been most helpful for all the folks I help prepare for the iTEP test! It gives insight into what each section of the test is looking for along with examples and great tips about actually TAKING the test. In the Writing and Speaking sections, it also gives sample scores and comments from the Master Grader which is very helpful too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2019
T
Thomas J. Shandorf
Birmingham, US
★★★★★ 5
Comprehensive, clear and coherent!
Format: Paperback
The iTEP Practice Guide combines a no-nonsense approach to the specific iTEP tests and at the same time offers exercises that task the student with what they need to know. Exercises not only serve the purpose of scoring well, but the overall approach is communicative competence. We use the text in our group and one-to-one classes with very positive--and lasting--results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2019
S
Verified Purchase
Sarah Sofía Ortiz Campos
Grantham, US
★★★★★ 1
No recomiendo
Format: Paperback
Muy malo, no vine completo, además se demoró mucho más de lo que decía al momento de comprarlo. Solo aplazaban la fecha de entrega sin consultar cómo afectaba al cliente. Yo tuve que presentar el examen sin el libro, porque no llegó en la fecha que decía al comprarlo y después se cambió 3 veces la fecha, casi cumpliendo el mes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
E
Verified Purchase
Elaine li
Lake Worth, US
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020

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