Price is per 25grams of stone. Fluorite gemstone chips (Please note, these DO NOT have holes in them).Fluorite can be used:*to help promote deep relaxation*to help improve sleep*improve overall energy*to help promote concentration*to increase focus and attentionThese Fluorite chips are perfect to add into your essential oil roller bottles to enhance the effect of the essential oils.Measurement of the Fluorite chips range from 2mm - 10mm. These small stones do fit inside a 10ml roller bottle. *Please note, there may be exemptions to the size given. Most stones will be in the size range, but you may come across a slightly smaller or larger stone.