#color zoning

Watermelon tourmaline Slices - Height: 10 mm - Width: 10 mm- 2 g - (1)

Watermelon tourmaline Slices - Height: 10 mm - Width: 10 mm- 2 g - (1)

#boron silicate #collector mineral #color zoning #gemstone pattern #tourmaline slices #watermelon tourmaline

Natural multicolored sapphire on matrix – Rough crystal with fascinating color zoning - 263.30 ct from Kenya- 52.66 g

Natural multicolored sapphire on matrix – Rough crystal with fascinating color zoning - 263.30 ct from Kenya- 52.66 g

#color zoning #corundum #gemstone matrix #kenyan sapphire #mineral specimen #multicolored sapphire #rough crystal #sapphire

Ametrine - Geode - 43x24x21 cm- 26 kg

Ametrine - Geode - 43x24x21 cm- 26 kg

#amethyst #ametrine #bicolor quartz #citrine #collectible minerals #color zoning #crystal formations #geode

Sponsored

20.8 cts "RARE" Untreated Natural Bicolored Sapphire - Rough- 4.16 g

20.8 cts "RARE" Untreated Natural Bicolored Sapphire - Rough- 4.16 g

#bicolored #color zoning #corundum #mineral specimen #natural gemstone #rare gem #rough sapphire #sapphire #unheated sapphire #untreated

Exceptional Blue Cap Tourmaline Crystal — Vivid Color Zoning - Height: 30 mm - Width: 4 mm- 1.3 g

Exceptional Blue Cap Tourmaline Crystal — Vivid Color Zoning - Height: 30 mm - Width: 4 mm- 1.3 g

#blue cap tourmaline #collector minerals #color zoning #mineral specimen #natural crystals #tourmaline crystal #unique coloration

Bicolour tourmaline Crystals - Height: 25 mm - Width: 5 mm- 15 g - (1)

Bicolour tourmaline Crystals - Height: 25 mm - Width: 5 mm- 15 g - (1)

#bicolour crystal #boron minerals #color zoning #crystal formation #gemstones #jewelry stones #mineral collectors #silicate minerals #tourmaline

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