20.73ct ETW Earth-Mined Natural Black Spinel – Cushion Cabochon, Thailand

20.73ct ETW Earth-Mined Natural Black Spinel – Cushion Cabochon, Thailand

This impressive 20.73-carat earth-mined black spinel from Thailand features a polished cushion cabochon cut and a deep black appearance. Its substantial size, smooth finish, and distinctive reflective surface make it an appealing choice for statement jewelry or gemstone collecting.

Specifications:

Gemstone: Natural Black Spinel
Carat Weight: 20.73ct ETW
Cut: Cushion Cabochon, Polished Both Sides
Dimensions: 18.3 x 12.8 x 7.7 mm
Clarity: Opaque
Treatment: Unheated
Origin: Thailand
Condition: New

Earth-mined natural black spinel weighing 20.73ct ETW in a cushion cabochon cut from Thailand, featuring opaque clarity and unheated character.

Black spinel is a naturally occurring member of the spinel mineral group, appreciated for its rich dark appearance, smooth polish, and attractive reflective qualities. Its understated elegance makes it a popular choice for distinctive jewelry designs.

This specimen features an opaque black appearance with a polished cabochon finish on both sides. Unlike faceted gemstones, its smooth surfaces emphasize color, texture, and reflective highlights.

Thailand is an established source of natural spinel and an important center for the international colored gemstone trade. This gemstone is listed as natural and unheated, with no treatment indicated.

At 20.73 carats and measuring 18.3 x 12.8 x 7.7 mm, this substantial spinel offers excellent visual presence. Its cushion shape makes it particularly suitable for a bold statement ring, pendant, or custom jewelry centerpiece.

Spinel has a Mohs hardness of approximately 8, offering good resistance to scratching and making it suitable for everyday jewelry with appropriate care.

This individual Thai black spinel combines impressive size, classic cushion cabochon styling, and natural opaque coloration in a distinctive loose gemstone.

(Stock Code: ABMM)

Keywords: loose gemstone, earth-mined spinel, natural black spinel, Thai black spinel, Thailand gemstone, cushion cabochon spinel, polished spinel, opaque black gemstone, unheated spinel, 20.73ct spinel, large black gemstone, natural spinel, statement jewelry gemstone, collector gemstone, custom pendant gemstone