Watermelon tourmaline forms when trace elements shift during crystal growth, creating pink-to-red cores surrounded by green outer layers. This natural color zoning happens over millions of years in pegmatite deposits, primarily in Brazil, Nigeria, and Madagascar. Our collection features 13 watermelon tourmaline pieces priced from $1155 to $16780, each set in .925 sterling silver. Every stone displays the characteristic bi-color pattern that gives this tourmaline variety its name.
| Estimated value: | $3,770.52 |
|---|---|
| Weight: | 5.90g |
| 7 - Adjustable | |
| L- 1/4 inch | |
| Item Code: | 11-cze-26-17 |
| Estimated value: | $6,085.70 |
|---|---|
| Weight: | 8.90g |
| 8 -adjustable | |
| L- 1 1/4, W- 1, T- 3/8 inch | |
| Item Code: | 11-cze-26-10 |
| Estimated value: | $6,544.12 |
|---|---|
| Weight: | 7.50g |
| 8 -adjustable | |
| L- 3/4, W- 5/8, T- 3/8 inch | |
| Item Code: | 10-cze-26-43 |
| Estimated value: | $1,616.92 |
|---|---|
| Weight: | 4.50g |
| 7 - Adjustable | |
| L- 5/8, W - 5/8, T- 3/16 inch | |
| Item Code: | 10-cze-26-35 |
| Estimated value: | $12,026.82 |
|---|---|
| Weight: | 11.80g |
| 6 - Adjustable | |
| L - 1 1/8, W - 1 1/8, T - 1/2 inch | |
| Item Code: | 10-cze-26-20 |
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The bi-color pattern forms when chemical conditions change during crystal growth. Manganese creates the pink-red core while iron produces the green outer layer.
Watermelon tourmaline rates 7 to 7.5 on the Mohs hardness scale, making it durable enough for rings, pendants, and earrings with normal wear.
Major sources include Brazil, Nigeria, Madagascar, and Afghanistan. Maine produced notable specimens in 1972, though commercial supply now comes primarily from Brazilian pegmatite deposits.