satin spar Table of Contents Introduction References & Edit History Related Questions What does Earth look like? Read Next What Is Earth’s Velocity? Why Are Planets Round? Why Does Salt Melt Ice? Why Is Pluto No Longer a Planet? Is Earth Going to Change the Direction in Which It Rotates? Discover 9 of the World’s Deadliest Snakes 7 Everyday English Idioms and Where They Come From Can You Drink Water from a Cactus? Which Religion Is the Oldest? What’s the Difference Between Bison and Buffalo? 9 Noteworthy Bog Bodies (And What They Tell Us) What Did Cleopatra Look Like? Contents Science Earth Science, Geologic Time & Fossils Earth Sciences satin spar mineral Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/science/satin-spar Feedback External Websites Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites National Center for Biotechnology Information - PubMed Central - Visualizing the fibre texture of satin spar using laboratory 2D X-ray diffraction Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot a Question Related Topics: gypsum (Show more) satin spar, massive (noncrystalline) variety of the mineral gypsum (q.v.).