1.80 ct Mexican Fire Opal — Triangular Modified Brilliant
Collector's Note
A vivid 1.80 ct Mexican fire opal with saturated orange color and an uncommon triangular modified brilliant cut. Strong face-up brightness gives the stone energetic visual appeal, while a small eye-visible feather is present and disclosed in the clarity description.
Gemstone Details
Gemstone: Fire Opal
Species: Opal
Weight: 1.80 ct
Shape / Cut: Triangular Modified Brilliant
Measurements: 9.12 × 9.02 × 6.54 mm
Origin: Mexico
Treatment: None
Clarity: Small eye-visible feather
O50 Collector Evaluation
Otzera 50: 36/50 — Distinguished
Face-Up Performance: 88%
Treatment
Mexican fire opal is not treated; its glowing body color is natural.
Care & Setting
Opal requires gentle care. Clean with a soft damp cloth or mild soapy water; avoid ultrasonic or steam cleaning, harsh chemicals, prolonged heat and sudden temperature changes.
Digital Gem Passport
Accompanied by an Otzera Digital Gem Passport preserving its identifying details, origin, clarity observation and O50 evaluation.