What we have here is a captivating Tourmaline on Feldspar mineral specimen. This striking geological wonder hails from the renowned Stewart Mine in San Diego County. Spectacular pink tourmaline crystals elegantly emerge from a feldspar matrix, a marvel formed around 100 million years ago. Minerals like these are treasures of the Earth's natural artistry, often displayed in museums or private collections for their beauty and historical significance, rather than auction value. Exceptionally preserved, this specimen speaks to the sublime forces of nature, crystallized through immense geological processes. Its authenticity is endorsed by meticulous documentation, underscoring its allure for collectors and geologists alike.
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Item Report
Tourmaline on Feldspar Mineral Specimen
By:Stewart Mine
Style:Mineral Specimen
Origin:USA
Materials:Tourmaline, Feldspar
Age:100 million years old
Condition:Excellent (preserved natural mineral specimen without observed damage)
Value:N/A (minerals are typically not appraised for auction value in usual art and antiques contexts)
Maker's Marks / Writing:Stewart Mine, San Diego County, California
Date:2026-03-18 19:12:56.697891
Description:
A Tourmaline on Feldspar specimen from Stewart Mine, San Diego County, California, dated to 100 million years old.
Curator Questions
Curated by Jade
Assessment:
This is an impressive mineral specimen showcasing pink tourmaline crystals on a feldspar matrix.
Individual Images:
whole specimen with description plate
Provenance:
Stewart Mine, San Diego County, California, 100 million years old
Condition:
Excellent (preserved natural mineral specimen without observed damage)
Identification Score: 100%
Identified by displayed information as tourmaline on feldspar from Stewart Mine.
Authenticity Score: 100%
The specimen is accompanied by detailed information indicating its origin and age.
Image Memory Note
None
None
Keywords
Tourmaline, Feldspar, Stewart Mine, Mineral Specimen, USA
The report was edited after initial Artmink draft. Original AI draft preserved in Artmink audit history.
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