Where to Find Quartz in Rhode Island

Rhode Island has 7 mapped collecting spots that report quartz, spread across 3 counties. The largest share sits in Providence County with 5 spots. 7 of the spots are on land mapped as publicly accessible.

Standout quartz spots in Rhode Island

Hand-picked from the full list below, with the reason each one earns a trip.

Diamond Hill Park, Cumberland
Providence County
Diamond Hill is a massive white quartz outcrop with a 350-foot vertical face, historically Rhode Island's most famous locality for milky and smoky quartz and the amethyst that gave the hill its name.
North Providence
Providence County
The serpentine belt running through northern Rhode Island is the home of bowenite, the state mineral, a hard translucent green serpentine close enough to jade to be cut as a gemstone.
Narragansett
South County
The pegmatite outcrops along the Bonnet Shores coast in Narragansett carry beryl and quartz in coarse granitic pods, a rare chance to see gem-family minerals in place on a public Rhode Island shore.

Best counties for quartz in Rhode Island

Ranked by the number of mapped quartz spots. County links open the full rockhounding page for that county.

Every quartz spot we track in Rhode Island

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
TivertonFish Road	Newport County	Quartz	41.6468, -71.1852	Public
Cumberland HillWoonsocket Industrial Highway	Providence County	Agate Chalcedony Jasper Quartz	41.9803, -71.4856	Public
Diamond Hill Park, Cumberland	Providence County	Amethyst Quartz Smoky Quartz	41.9740, -71.3461	Public
JohnstonApple Blossom Drive	Providence County	Quartz	41.8433, -71.5244	Public
North ProvidenceValley Stream Drive	Providence County	Bowenite Quartz Serpentine	41.9326, -71.4215	Public
ProvidenceWoonasquatucket River Greenway	Providence County	Agate Chalcedony Jasper Quartz	41.8241, -71.4616	Public
NarragansettDunes Road	South County	Beryl Quartz	41.4723, -71.4221	Public

Before you go

Read the quartz identification guide so you know what a keeper looks like in the field: Quartz in the encyclopedia.

Quartz in Rhode Island FAQ

Where can you find quartz in Rhode Island?+

The mapped spots concentrate in Providence County, Newport County, and South County. Every spot on this page appears on the map above with coordinates and access notes.

How many quartz spots are mapped in Rhode Island?+

7 spots across 3 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.

Is it legal to collect quartz in Rhode Island?+

Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 7 of the 7 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find quartz

More minerals to hunt in Rhode Island

Jasper5

Hunt quartz in Rhode Island with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.