![Was told this was a low-quality amethyst but can't figure out what the black lines are : r/whatsthisrock Was told this was a low-quality amethyst but can't figure out what the black lines are : r/whatsthisrock](https://preview.redd.it/j7kyv3teqto81.jpg?width=640&crop=smart&auto=webp&s=7084d9cb75f2723eeaa8286ca29f64b39f45d627)
Was told this was a low-quality amethyst but can't figure out what the black lines are : r/whatsthisrock
![Connect With the Spiritual Realm With Our Chevron Amethyst: Lovingly Wrapped and Ready for Meditation - Etsy | February birth stone, Amethyst, Crystals Connect With the Spiritual Realm With Our Chevron Amethyst: Lovingly Wrapped and Ready for Meditation - Etsy | February birth stone, Amethyst, Crystals](https://i.pinimg.com/originals/c9/69/b8/c969b83b67540e4d0f71d57212e1c40c.jpg)
Connect With the Spiritual Realm With Our Chevron Amethyst: Lovingly Wrapped and Ready for Meditation - Etsy | February birth stone, Amethyst, Crystals
![Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25" Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"](https://www.zales.com/productimages/processed/V-20565891_0_800.jpg?pristine=true)
Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"
![Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25" Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"](https://www.zales.com/productimages/processed/V-20565891_2_800.jpg?pristine=true)
Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"
![Is there a name/word for the white line pattern of this amethyst? I figured someone may know the answer here : r/geology Is there a name/word for the white line pattern of this amethyst? I figured someone may know the answer here : r/geology](https://i.redd.it/qh3e7c5o8fc71.jpg)
Is there a name/word for the white line pattern of this amethyst? I figured someone may know the answer here : r/geology
![Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25" Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"](https://www.zales.com/productimages/processed/V-20565891_3_800.jpg?pristine=true)
Zales Pear-Shaped Amethyst and White Lab-Created Sapphire Station Line Bracelet in Sterling Silver - 7.25"
![AAA Natural Amethyst Stone Bead. 12x26-12x34mm Graduated Barrel Shape . Gorgeous Natural Purple Color With White Lines . Full Strand 15.5 - Etsy AAA Natural Amethyst Stone Bead. 12x26-12x34mm Graduated Barrel Shape . Gorgeous Natural Purple Color With White Lines . Full Strand 15.5 - Etsy](https://i.etsystatic.com/8716863/r/il/066d02/3619461652/il_570xN.3619461652_71g6.jpg)