Handmade ring with mahogany obsidian cabochon on a copper base, hand-set. The coppery and mahogany specks characteristic of this variety of volcanic glass float on a deep black background, creating the visual effect of constellations in stone. Unique collector's item.
Item details
| Mineral |
Mahogany Obsidian (volcanic glass with iron and magnesium oxides) |
| Stone dimensions |
Freeform, ±22×16 mm — unique uncalibrated piece |
| Shape and back |
Freeform, flat back |
| Finish |
Mirror polish |
| Metal |
Copper |
| Stone origin |
Mexico / United States (volcanic areas) |
| Treatment |
Untreated |
| Item type |
Unique handmade piece |
This particular piece
Mahogany obsidian does not have the uniformity of standard black: inclusions of iron and magnesium oxides create spots with tonal variations ranging from mahogany to tile red depending on the incident light. The distribution of these inclusions is random in each block, so no two cabochons are alike.
The copper setting naturally complements the warmth of the mahogany specks. The copper adds chromatic consistency to the ensemble without visually competing with the dominant black of the stone.
Obsidian in lapidary tradition
Obsidian is one of the oldest materials in human history as a tool: it has been used since the Paleolithic for projectile points, blades, and mirrors. Mesoamerican civilizations (Aztec, Mayan, Olmec) considered it sacred: they used it in rituals, made scrying mirrors, and employed it as a surgical material, as its edge can be sharper than modern steel. The mahogany variety owes its bicolor to iron oxides trapped during the solidification of magma, which add coppery streaks to the base black. In crystal tradition, mahogany obsidian is associated with grounding and the balance between protection and healing.
The symbolic properties attributed to minerals belong to cultural and historical traditions. They are shared for educational purposes, not as medical advice.
Frequently asked questions
What differentiates mahogany obsidian from common black?
Mahogany contains areas with a concentration of iron and magnesium oxides that create the coppery and reddish spots. Pure black obsidian has a more homogeneous composition without these oxide inclusions.
Is obsidian fragile?
As glass, obsidian does not have cleavage but does have conchoidal fracture. It is resistant to superficial scratches (Mohs 5-5.5) but can chip upon direct impact. Remove the ring during physical activities.
Is copper suitable for mounting obsidian?
Yes. Obsidian has a hardness similar to other minerals in copper rings, and pressure setting is technically suitable. The contrast between the black of the stone and the copper is visually complementary.
Is the obsidian dyed?
Untreated. The black and mahogany specks are completely natural colors of volcanic glass. No formal gemological certification; statement based on observation.
How do I care for this ring?
Clean with a soft, dry cloth. Obsidian is susceptible to ultrasonic vibrations — avoid. Do not immerse in hot water. Complete guide in jewelry care.
See also our collection of handmade rings.
