SlimCrystal contains nine crystals sealed in its base: amethyst, clear quartz, moonstone, citrine, carnelian, sodalite, red agate, red jasper, and green aventurine. The manufacturer chose them for their appearance and traditional crystal-healing associations, not for a scientifically established effect. Because the stones do not touch the water, they mainly serve a decorative and symbolic role.

Below is each of the nine crystals, what tradition says about it, and an honest note. We think the stones are beautiful and part of what makes the bottle appealing — we just won't pretend they do something to your body that they don't.
1. Amethyst
A violet variety of quartz, traditionally associated in crystal-healing lore with calm, stress relief and emotional balance. There is no scientific evidence that amethyst affects the body when placed near water, but it is a beautiful, popular stone.
2. Clear Quartz
colorless quartz, described in crystal traditions as an 'amplifier' and linked to focus and clarity. Quartz does have real piezoelectric properties (used in watches), but that has nothing to do with 'charging' drinking water — a common marketing confusion.
3. Rose Quartz / Moonstone
Soft pink rose quartz and shimmering moonstone are tied in tradition to love, harmony and emotional balance. Their inclusion is aesthetic and symbolic; no clinical evidence supports health effects from water contact.
4. Citrine
A warm yellow quartz nicknamed the 'sunshine stone', associated in lore with optimism, energy and motivation. Attractive and cheerful, but its metabolic or 'energising' claims are not scientifically supported.
5. Carnelian
An orange-red stone traditionally linked to motivation, circulation and vitality. As with the others, these are folk associations — there is no measured physiological effect from carnelian sitting in a water chamber.
6. Sodalite
A deep blue stone that SlimCrystal's marketing links to reduced hunger and 'boosted metabolism'. This is a traditional claim with no scientific backing; any appetite effect you notice comes from the water itself, not the stone.
7. Red Agate
A banded red stone associated in tradition with grounding, stability and easing discomfort. It is decorative and durable; its 'healing powers' are not supported by evidence.
8. Red Jasper
An earthy red stone tied in lore to endurance and steady energy. Like the other crystals, it is included for its symbolism and beauty rather than any demonstrated effect on the body or on water.
9. Green Aventurine
A green quartz associated in tradition with luck, calm and heart health. It rounds out the nine-stone set. Its benefits, as marketed, are symbolic rather than scientifically established.
The pattern across all nine
Notice the common thread: every stone comes with an appealing traditional association — calm, energy, confidence, metabolism, appetite control — and none of these associations is backed by controlled scientific evidence for crystals affecting the body, let alone through a sealed chamber beside water. This is the nature of crystal healing: a rich, centuries-old tradition of symbolic meaning, not a body of clinical science.
The honest way to enjoy the crystals
You can appreciate these stones for exactly what they are: beautiful natural objects with cultural and symbolic meaning that make a water bottle more pleasant to own and use. If that beauty and symbolism motivate you to drink more water, you get a real benefit — from the water. Enjoy the crystals as decoration and ritual, not as medicine.
Are the crystals safe?
Yes. Because the crystals sit in a sealed chamber and never contact the water, there is no risk of anything leaching into your drink, and no safety concern from the stones themselves. The bottle is BPA-free glass. The only health consideration with SlimCrystal relates to how much water you drink, not the crystals — covered in our safety section.
Safety note: Crystals are not a treatment for any medical or psychological condition. If you're dealing with a health issue, see a qualified professional — don't rely on crystal healing in place of proper care.