Is black lava rock profitable to sell on Amazon United States?

The niche generates $63K/yr across 36 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +60.1%. Flapen's verdict: Worth a look (65/100).

How competitive is the black lava rock niche?

25 brands and 29 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 55% of demand.

What do buyers complain about in black lava rock?

Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Value For Money. The return rate is 2.1%.

When does demand for black lava rock peak?

Demand peaks in Apr–May–Jun; the busiest month runs 2.4× the quietest.

What does it cost to enter the black lava rock niche?

Listings span $9.37–$45.66; the average listing price is $21.27 (sweet spot $15–$100). The average incumbent carries 943 reviews — the moat a new listing must climb.

black lava rock

Worth a look

Shows a sweet-spot price point ($21.27 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Great$21.27

avg listing price — sweet spot $15–$100

Price range

Great$9.37–$45.66

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Great55%

top-5 brand share — no brand owns this niche

Competition

Great36%

top-5 click share — an open shelf

Growth

Great+60.1%

90-day search growth — must beat 0% to launch

Returns

Good2.1%

return rate — above 5% kills the launch gate

Conversion

Good5.9%

search→purchase rate — share of searches ending in a sale

Review moat

Good942.53

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Bad$63K

$63K/yr · 50K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, black lava rock is a $63K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 65/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

black lava rock market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $85K–$106K; units × avg price
Conversion rate: 5.9%
Avg BSR: #195
Page quality: 0%
Prime: 97%
Sponsored: 92%
Out of stock: 8.1%
Avg brand age: 42 months
Avg seller age: 220 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

25 rising

Sellers

Top-5 brand share

55%

Top 20: 96%

Top-5 click share

36%

Top 20: 85%

Open market

39%

onlyfire20%
NUPICK12%
American Fireglass11%
Pulovin7%
Mr. Fireglass6%
Midwest Hearth6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +60.1% search growth over the last 90 days.

Peak months: Apr, May, Jun · busiest ÷ quietest = 2.4×

Open Trend

Top black lava rock search terms

black lava rock38K/yr +48.4%4.6% conv.
black lava rocks for fire pit7K/yr +118.7%6.3% conv.
black lava rocks4K/yr +82.5%5.1% conv.
black lava rocks for landscaping783/yr +226.1%1.2% conv.

All search terms

Top black lava rock products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

American Fireglass$18.594.6★6,040 rev

NUPICK 20lb Black Lava Rocks for Fire Pit 1/2-2 Volcanic Rock for Fireplace Indoor Outdoor Lava Stone for Natural Gas & Propane Systems Fire Glass Base Layer Fire Bowls Landscaping Plants

NUPICK$35.304.4★25 rev

Pulovin 2.5lbs Lava Rocks for Plants 1/5 Inch Black Gravel for Succulent Cactus Bonsai Tree Pure Volcanic Rocks Top-Dressing Good Drainage

Pulovin$9.374.6★1,026 rev

Onlyfire Black Lava Rock 10 Pounds Volcanic Lava Stones for Indoor Outdoor Fire Pits Fireplaces Gas Grill and Landscaping 0.2-0.3 Inch

onlyfire$22.534.3★708 rev

Black Lava Rocks for Plants Natural Horticultural Volcanic Rock (1/4 Size) (Mined in USA) (10-lb Bag)

Midwest Hearth$24.704.5★285 rev

Newest

by launch date

NUPICK 3lb Black Lava Rocks for Plants Succulent Potting Soil Amendments

NUPICK$9.9855 rev

7mo ago

Rahato 10lbs Lava Rocks for Fire Pit 1/2-2 Black Lava Rocks for Gas Fireplace Lava Stone for Fire Tables Garden Landscaping Decoration Indoor and Outdoor Use

Rahato$21.2442 rev

8mo ago

NUPICK 20lb Black Lava Rocks for Fire Pit 1/2-2 Volcanic Rock for Fireplace Indoor Outdoor Lava Stone for Natural Gas & Propane Systems Fire Glass Base Layer Fire Bowls Landscaping Plants

NUPICK$35.3025 rev

11mo ago

NUPICK 10lb Black Lava Rocks for Fire Pit 1/2-2 Volcanic Rock for Fireplace Indoor Outdoor Lava Stone for Natural Gas & Propane Systems Fire Glass Base Layer Fire Bowls Landscaping Plants

NUPICK$23.30136 rev

11mo ago

IwoodUS 10 lb 1.2-2 Inch Medium Black Lava Rocks for Fire Pits Indoor Fireplaces Outdoor Gas Fire Tables Garden Landscaping Decoration

IwoodUS$28.6764 rev

1y ago

What buyers say about black lava rock

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall16%

“Good quality”

Size-Overall16%

“The size variety is useful”

Advertised Vs Actual Product13%

“As expected”

Value For Money8%

“Good Price”

Color7%

“Great colors”

Plant Growth6%

“Your plants wl flourish”

Design-Overall4%

“Wife loves the look of them”

Ease Of Cleaning3%

“They are clean”

Heating2%

“Actually puts out good heat”

Weight Light1%

“feels much lighter”

What buyers complain about

Size-Overall31%

“Too small”

Ease Of Cleaning9%

“Rinsed the dust thinking they were just dusty and dirty,”

Value For Money6%

“Not a lot for the $10 price”

Color5%

“There was also a little variation in color”

Advertised Vs Actual Product5%

“The description is misleading”

Quality-Overall3%

“Poor Quality rocks”

Weight Heavy2%

“the container adds significant weight to hanging planters”

Heating2%

“Couldnt handle the heat from my propane fire pit”

Product Condition1%

“Received used rocks”

Smell1%

“they have an awful chemical burn off smell”

Top return reasons

Size-Overall61%

Color12%

Advertised Vs Actual Product10%

Value For Money6%

Functionality-Overall4%

Defective Material/Parts1%

Weight Heavy1%

Quality-Overall1%

Grilling1%

Material Quality1%

Common questions

Is black lava rock profitable to sell on Amazon United States?: The niche generates $63K/yr across 36 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +60.1%. Flapen's verdict: Worth a look (65/100).
How competitive is the black lava rock niche?: 25 brands and 29 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in black lava rock?: Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Value For Money. The return rate is 2.1%.
When does demand for black lava rock peak?: Demand peaks in Apr–May–Jun; the busiest month runs 2.4× the quietest.
What does it cost to enter the black lava rock niche?: Listings span $9.37–$45.66; the average listing price is $21.27 (sweet spot $15–$100). The average incumbent carries 943 reviews — the moat a new listing must climb.